HUBBELL, D. W. <br/><br/>
Distribution of radionuclides in bottom sediments of the Columbia river estuary / 
by D. W. Hubbell and J. L. Glenn. 
 -- Washington :   United States Government Printing Office,   1973 
 - 63 p. + map. -- 
 (Geological Survey Professional Paper  ;  433-L).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radiactividad<br/>Radionúclidos
<br/><br/><label>Universal Decimal Class. No.: </label>539.163