1. Ahmadi, H. 1999. Functional geomorphology Second volume Tehran University, 650 pp (In Persian).
2. Amini, A. 1995. Study about loss sediment primordial and mechanism in watery district of Ghareh Tikan, M.Sc. Thesis Academy of science, Tehran University, 255 pp (In Persian).
3. Bull .I .J. M.J. Kirkby. 2002. Channel heads extension. In: Bull .L.J. and M.J. Kirkby (Eds). Druland Rivers Hydrology and geomorphology of semiarid channel Wiley chinchester, UK. pp: 33-45.
4. Dadkhah, M. 2006. Recognition the effect of some effective factors on gully erosion development in loss land (A case study Arab Ghareh Haji watery district in Golestan province). M.Sc. Thesis, Shahid Beheshti University of Tehran, 128 pp (In Persian).
5. Darvishzadeh, A. 1991. Iran geology, propagation of Nashr-e-Danesh-e-Emrooz, Dependant of Amir Kabir press and emission institute, 237 pp (In Persian).
6. Ghoddosi, J. and H.R.S. Ahmadi. 2004. A collection of articles about the first water and soil resources management conference, 12 pp (In Persian).
7. Ghoddosi, J. 2003. Modeling gully erosion morphology and its danger expansion (A Case Study Zanjan-rood watery district). Academy of Natural Science, Tehran University, 35 pp (In Persian).
8. Khajeh, M. Ghayomian, J and Sadat Feyznia. 2005. Recognition of the effect of physical and chemical and climate factors on production of the sediment caused by surface loss soil erosion. (A case study Golestan province) Research and structure serial, 66: 12-24 (In Persian).
9. Manafzadehnia, N. 2007. Accuracy assess in two models of hydrolophysical estimation and EPM (A case study Taleghan watery district). M.Sc. Thesis, Academy of agricultural and natural science of Azad University, a unit of Tehran science and research, 135 pp (In Persian).
10. Poeson, J., L. Vanderkerchove, J. Nachtergaele, D. Dostwoud, G.Wijenes, G. Verstraeten and B. Van Wesemeal. 2002. Gully erosion in dry land environment .In: Bull and Kirkby, U K. 250 pp.
11. Pimentel, D., J. Allen and A. Beers. 1997 .World agricultural and soil erosion. Bioscience, 37: 277-283. [
DOI:10.2307/1310591]
12. Poeson, J. and G. Govers.1990. Gully erosion in the loam belt at Belgium Typology and control measures Seal John wiley and sons, pp: 513-530.
13. Refahi, H.Gh. 2003. Water erosion and control of it Tehran University press.Shahini, Gh. The role of herbal coverage on control of gully erosion a collection of the third national conference of erosion and sediment articles, pp: 341-346 (In Persian).
14. Shahrivar, A. 1997. Study about the effective factors on gully erosion and offering a model in Soogh region in Dehdasht Township. M.Sc. Thesis. Academy of natural science Tehran University, 124 pp (In Persian).
15. Sayyadi, M.G. 2006. Study about the effect of some effective factors on gully erosion development in loss land. (A case study: Agh Imam Kachik watery district in Golestan province M.Sc. Thesis gorgan agricultural science and Natural Resource University, 185 pp (In Persian).