000
00285nam a2200121Ia 4500
008
170912s9999 xx 000 0 und d
082
_a
574.5 SHA/E
100
_a
SHARMA P D
245
0
_a
ECOLOGY AND ENVIRONMENT
260
_b
RASTOGI PUBLICATIONS
_c
1997
300
_a
660
942
_c
TB
999
_c
32954
_d
32954