William, Pecora T. <br/><br/>
Proceedings of the first Annual William T. Pecora Memorial Symposium 

 - Washington, D.C.  U.S. Geological Survey  1977 
 - 370 p.  ilus., tbls., diagrs. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CONGRESOS<br/>PROSPECCION<br/>SENSORES REMOTOS
<br/><br/><label>Subjects--Geographic Terms: </label><br/>ESTADOS UNIDOS