000 00414nam a22001457a 4500
050 _aTD678
_b.O85 1985.
100 _aRichard J. Otis
245 _aThe design of small bore sewer systems
260 _aWashington, D.C.
_b World Bank.
_c 1985.
300 _a52 p.
500 _a ill. ; 28 cm.
650 _bSewerage,Developing countries,Sanitary engineering.
_vbook
_xenglish
700 _aD Duncan Mara
942 _cGEN
999 _c832
_d832