na INLIS000000000038133 Ind 0010-0119003046 Soil erosion measurement and control techniques JOONGDAE, Choi Joongdae Choi; Ye-Hwan Choi Gangwon-do Food and Fertilizer Technology Center 2005 12 p. : ill. ; 26 cm.-- 12 p. : ill. ; 26 cm.-- Sr.631.459 Bibl. : p. 12 631.459 SOIL EROSION EROSION CONTROL 226/MS/2007