000
00313nam a2200121Ia 4500
008
191031s9999 xx 000 0 und d
100
_a
Greenland (J) and Lal (R) Ed
245
0
_a
Soil conservation and managementin the humid tropics
260
_b
John Wiley
260
_c
1977
365
_b
46.50
942
_c
BK
999
_c
203674
_d
203674