SMITH, W. O. <br/><br/>
Mechanism of gravity drainage and its relation to specific yield of uniform sands / 
by W. O. Smith. 
 -- Washington :   United States Government Printing Office,   1961 
 - 12 p. -- 
 (Geological Survey Professional Paper  ;  402-A).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geofísica
<br/><br/><label>Universal Decimal Class. No.: </label>550.3