Information sources in earth sciences   
ed. by David N. Wood, Joan E. Hardy, Anthony P. Harvey. 
 - 2nd. 
 - London  Bowker-Saur  1989 
 - xvi, 518p 
 - Guides to information sources .
<br/><br/><label>ISBN: </label>0408014067 
<br/><br/><label>Dewey Class. No.: </label>550.7  / N89