000
00298nam a2200121Ia 4500
008
180721s9999 xx 000 0 und d
100
_a
"Narayana, M. & Thanikachalam, V."
245
0
_a
Environmental Engineering
260
_b
Tata McGraw Hill
260
_c
1993
365
_b
60.00
942
_c
BK
999
_c
137187
_d
137187