000 00277nam a2200121Ia 4500
999 _c27854
_d27854
100 _aBirdie G S
245 _aWater Supply and Sanitary Engineering
250 _a6
260 _c2002
_bDHANPAT RAI & SONS
_aNew Delhi
300 _ax+950
700 _aBirdie J S
942 _cBB