000 00289nam a2200109Ia 4500
008 170707s9999 xx 000 0 und d
050 _a631.45 L159
100 _a"Lal, Rattan"
245 0 _aSoil erosion in the tropics: principles and management
260 _c1990
942 _2lcc
_cBK
_kCirc.
999 _c15014
_d15014