Ahmad, Nazir. <br/><br/>
Chemical qualities of ground water / 

 - Lahore,  Scientific research store. 
 - Various pages,   26 cm. 
<br/><br/><br/>In English. 
<br/><br/> pbk. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical qualities of ground water,--Lahore.
<br/><br/><label>Dewey Class. No.: </label>557.81 CHE N.D