C B O I A P <br/><br/>
Proceeding on water logging course and measures for its prevention 

 -  1972 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>67983 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Irrigation
<br/><br/><label>Dewey Class. No.: </label>D2:5p1:N72, L2.1