Open Science Research Excellence
M. Jahanandish and  Gh. Sadeghian and  M. H. Daneshvar and  M. H. Jahanandish,  An Experimental Investigation on the Amount of Drag Force of Sand on a Cone Moving at Low Uniform Speed.   journal   = {International Journal of Environmental, Chemical, Ecological, Geological and Geophysical Engineering}, [online]. World Academy of Science, Engineering and Technology. December 2016, vol. 120(12). 1092 - 1095[viewed 19 April 2019]. Available from: http://waset.org/publications/10006103.