Kalbermatten, J.M. <br/><br/>
Appropriate sanitation alternatives  a technical and economic appraisal 

 -  1982 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Sanitary engineering<br/>Under developed areas-sanitary engg.
<br/><br/><label>Dewey Class. No.: </label>628.1091724  / K11A