000
00310nam a2200121Ia 4500
008
220201s1994 xx 000 0 eng d
041
_a
ENG
100
_a
KOTAIAH, B
245
0
_a
ENVIRONMENTAL ENGINEERING LABORATORY MANUAL
260
_a
DELHI
_b
CHAROTOR PUBLISHING HOUSE
_c
1994
300
_a
212
942
_2
ddc
999
_c
62978
_d
62978