00314nam a2200121Ia 4500003000400000008004100004020001400045040000800059100002100067245006100088260003000149300001300179LDD181029s9999    xx            000 0 und d  a471030783  cLDD  aSchwab, Glenn O. 0aSoil and Water Conservation engineeringcGlenn O. Schwab  aNew YorkbJoh Wileyc1981  axv, 525p