000
00265nam a2200109Ia 4500
008
220204s9999 xx 000 0 und d
082
_a
574.2
_b
AGA
100
_a
Agarwal, K C
245
0
_a
Environmental biology
260
_a
Bikaner
_b
AgroBotanica
_c
1999
942
_c
BK
999
_c
42009
_d
42009