000
00284nam a22001217a 4500
999
_c
3062
_d
3062
020
_a
8174091750
082
_a
660.025
100
_a
P Chattopadhyay
245
_a
Unit operations of chemical engineering
260
_a
New Delhi
_b
Khanna Publishing
_c
2003
300
_a
1275
942
_c
BK