000
00327nam a2200145Ia 4500
008
170101s1990 xx 000 0 und d
082
_a
631.409 13 R20S
100
_a
RATTAN LAL
245
0
_a
Soil erosion in the tropics
260
_b
N.Y
_c
1990
300
_a
580p
650
_a
SOILS
653
_a
SOILS
942
_2
ddc
_c
B
999
_c
120377
_d
120377