Ahmad, Nazir <br/><br/>
Control of water-logging and salinity by tube-well pumping / 
Nazir Ahmad 
 - Lahore :  PAAS ,  1962 
 - 49-62p. :  ill. ;  20 cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Pakistan<br/>Irrigation
<br/><br/><label>Dewey Class. No.: </label>631.7  / AHM-8