Ogata, Akio  1927- <br/><br/>
The spread of a Dye stream in an isotropic granular medium / 
by Akio Ogata. 
 -- Washington :   United States Government Printing Office,   1964 
 - 11 p. -- 
 (Geological Survey Professional Paper  ;  411-G).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hidrología
<br/><br/><label>Universal Decimal Class. No.: </label>556