Design practies for covered drains in an agricultural land drainage system :  a world wide survey / 
edited by K.K. Framji, B.C. Garg and S.P. Kaushish 
 - New Delhi :  International Commission on Drainage System,  1987 
 - xliv, 438 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>8185068143 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drainage<br/>Agricultural engineering<br/>Sanitary engineering
<br/><br/><label>Dewey Class. No.: </label>631.6