范正成Lovell, C. W.C. W.LovellFan, Jen-ChenJen-ChenFan2009-02-242018-06-292009-02-242018-06-291988-08http://ntur.lib.ntu.edu.tw//handle/246246/139465en-USThe Measured Slope Steepness Factor and Its Theoretical Analysis for Predicting Soil Erosion on Highway Slopesconference paper