000
002630000a22001090004500
245
_a
Design aids for public health engineers
100
_a
Gupta, B.R.N.
260
_a
New Delhi
_b
Wiley Eastern
_c
1986
080
_a
628.1/.4
_b
G8
041
_a
EN
942
_c
BK
999
_c
117324
_d
117324