Abrahams, A. D., Parsons, A. J. and Luk, S. H. (1986). Field measurement of the velocity of overland flow using dye tracing. Earth surface processes and landforms, 11(6), 653-657.
Abrahams, A.D. and Parsons, A. J. (1991). Relation between infiltration and stone cover on a semiarid hillslope, southern Arizona. Journal of Hydrology, 122, 49-59.
Abrahams, A.D., Li, G., Krishnan, C. and Atkinson, J.F. ( 2001). A sediment transport equation for interrill overland flow on rough surfaces. Earth Surface Processes and Landforms, 26: 1443-1459.
Álvarez, L. M., Balbo, A. L., Mac Cormack, W. P., and Ruberto, L. A. M. (2015). Bioremediation of a petroleum hydrocarbon-contaminated Antarctic soil: Optimization of a biostimulation strategy using response-surface methodology (RSM). Cold Regions Science and Technology, 119, 61-67.
Amanpour, J., Salari, D., Niaei, A., Mousavi, S. M. and Panahi, P. N. (2013). Optimization of Cu/activated carbon catalyst in low temperature selective catalytic reduction of NO process using response surface methodology. Journal of Environmental Science and Health, Part A, 48(8), 879-886.
Amin, S. and Ahmadi, SH. ( 2006). Incorporating rock fragments in soil erosion models: A case study, the ANSWERS model. Iranian Journal of Science and Technology, Transaction B, Engineering, 3(4), 527-539.
Bashari, M., Moradi, H.R., Kheirkhah, M.M. and Jafari-Khaledi, M. (2013). Simulation of the effect of soil surface rock fragments on runoff and sediment yield. Watershed Engineering and Management, 5(2),104-114. (In Farsi)
Bunte, K. and Poesen, J. (1994). Effects of rock fragment size and cover on overland flow hydraulics, local turbulence and sediment yield on an erodible soil surface. Earth Surface Processes and Landforms, 19(2),115–135.
Chen, H., Liu, J., Wang, K. and Zhang, W. (2011). Spatial distribution of rock fragments on steep hillslopes in karst region of northwest Guangxi, China. Catena, 84(1), 21-28.
De Lima, M. L. L. P. and De Liam, J. L. M. P. (1990). Water erosion of soils containing rock fragments. The Hydrological Basis for Water Resources Management (Proceedings of the Beijing Symposium, October 1990). IAHS Publ. no. 197, pp. 141-147.
Figueiredo, T. and Poesen, J. (1998). Effects of surface rock fragment characteristics on interrill runoffand erosion of a silty loam soil. Soil and Tillage Research, 46, 81-95.
Gomez, F. and Sartaj, M. (2014). Optimization of field scale biopiles for bioremediation of petroleum hydrocarbon contaminated soil at low temperature conditions by response surface methodology (RSM). International Biodeterioration and Biodegradation, 89, 103-109.
Guo, T., Wang, Q., Li, D. and Zhuang, J. (2010). Effect of surface stone cover on sediment and solute transport on the slope of fallow land in the semi-arid loess region of northwestern China. Journal of Soils and Sediments, 10(6), 1200-1208.
Javadi, P., Rouhipour, H. and Mahboubi, A. ( 2005). Effect of rock fragments cover on erosion and overland flow
using flume and rainfall simulator. Iranian Journal of Range and Desert Research. 12(3): 287-310. (In Farsi)
Jomaa, S., Barry, D.A., Heng, B.C.P., Brovelli, A., Sander, G.C. and Parlange, J.Y. (2013). Effect of antecedent conditions and fixed rock fragment coverage on soil erosion dynamics through multiple rainfall events.Journal of Hydrology, 484,115-127.
Li, X. Y., Contreras, S., Solé-Benet, A., Cantón, Y., Domingo, F., Lázaro, R. and Puigdefábregas, J. (2011). Controls of infiltration–runoff processes in Mediterranean karst rangelands in SE Spain. Catena, 86(2), 98-109.
Long, A., Zhang, H. and Lei, Y. (2013). Surfactant flushing remediation of toluene contaminated soil: Optimization with response surface methodology and surfactant recovery by selective oxidation with sulfate radicals. Separation and Purification Technology, 118, 612-619.
Mandal, U.K., Rao, K.V., Mishra, P.K, Vittal, K.P.R., Sharma, K.L., Narsimlu, B. and Venkanna, K. (2005). Soil infiltration, runoff and sediment yield from ashallow soil with varied stone cover and intensity of rain. European Journal of Soil Science, 56, 435-443.
Mirzaee, S., Gorji, M, and Jafari-Ardakani, A. (2012). Effect of surface rock fragment cover on soil erosion and sediment using simulated runoff. Journal of Soil Management and Sustainable Production, 2(1), 141-154. (In Farsi)
Poesen, J. W., Torri, D. and Bunte, K. (1994). Effects of rock fragments on soil erosion by water at different spatial scales: a review. Catena, 23(1), 141-166.
Poesen, J. and Lavee, H. (1994). Rock fragments in top soils: significance and processes. Catena, 23, 1-28.
Rieke-Zapp, D., Poesen, J. and Nearing, M.A. (2007). Effects of rock fragments incorporated in the soil matrix on concentrated flow hydraulics and erosion. Earth Surface Processes and Landforms, 32, 1063-1076.
Rouhipour, H., Javadi, P. and Mahboubi, A.A. (2005). Effect of rock fragments cover on erosion and sediment of two soil types using flume and rainfall simulator. 3rd Sediment National Conference, Tehran, Soil Conservation and Watershed Management Research Institute, 6 pages (in Farsi).
Silva, G. F., Camargo, F. L.and Ferreira, A. L. (2011). Application of response surface methodology for optimization of biodiesel production by transesterification of soybean oil with ethanol. Fuel Processing Technology, 92(3), 407-413.
Vaezi, A. R., Hasanzadeh, H. and Cerdà, A. (2016). Developing an erodibility triangle for soil textures in semi-arid regions, NW Iran. Catena, 142, 221-232.
Valentin, C. and Casenave, A. (1992). Infiltration into sealed soils as influenced by gravel cover. Soil Science Society of America Journal, 56, 1667-1673
Zavala, L. M., Jordán, A., Bellinfante, N. and Gil, J. (2010). Relationships between rock fragment cover and soil hydrological response in a Mediterranean environment. Soil Science and Plant Nutrition, 56(1), 95-104.
Zhu, X., Tian, J., Liu, R. and Chen, L. (2011). Optimization of Fenton and electro-Fenton oxidation of biologically treated coking wastewater using response surface methodology. Separation and Purification Technology, 81(3), 444-450.