000
00305nam a2200109Ia 4500
008
220303s1997 xx 000 0 und d
041
_a
eng
082
_a
574.5 TRI / TEX
100
_a
Trivedi, R.N.
_9
104336
245
_a
Textbook of Environmental Sciences
260
_a
New Delhi
_b
Anmol Publications
_c
1997
999
_c
112621
_d
112621