Otis, R.J.  <br/><br/>
The design of small bore sewer systems  (Book) 

 - Washington, D.C.  World Bank  1985 
 - 52 p.   27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewerage Developing countries
<br/><br/><label>Universal Decimal Class. No.: </label>628.2 OTI  / 14981