000
00307nam a2200121Ia 4500
008
161222s9999 xx 000 0 und d
020
_c
RS. 315.00
082
_a
628 BAS 003
100
_a
Basak, N.N
245
_a
Environmental engineering
_c
Basak, N.N
260
_a
New Delhi
_b
Mcgraw-hill
_c
2003
300
_a
295
999
_c
4114
_d
4114