000
00283nam a2200121Ia 4500
008
220201s1981 xx 000 0 eng d
082
_a
628.168
_b
VAR
100
_a
Varshney,CK
245
0
_a
Water pollution & management review 1981
260
_c
1981
300
_a
154
942
_2
ddc
999
_c
84899
_d
84899