000
00302nam a2200121Ia 4500
008
200208s9999 xx 000 0 und d
082
_a
631.43 HUM
245
0
_a
(1)Humus Culture: (2) Soil Testing
260
_b
UGC : Educational Films Division
260
_c
0
650
_a
Agriculture
942
_c
CD
999
_c
151511
_d
151511