Hansen,Wallace R. <br/><br/>
Suggestions to authors of the Reports of the U.S. Geological Survey. 5.ed. 

 - 5.ed. 
 - Washington - EEUU  U.S.Government Printing Office  1958 
 - 255p.   
 -   .
<br/><br/><label>ISBN: </label>no 
<br/><br/><label>Subjects--Topical Terms: </label>--Instrucciones para autores--Reports--United States Geological Survey--Geologia--<br/>Geologia