United Nations <br/><br/>
Interregional seminar on the development of the mineral resources of the continental shelf, Port - of - Spain, 5 - 16 April 1971 : technical papers 

 - New York  United Nations  1972 
 - iii,172p. ; 28cm. 
<br/><br/><label>Dewey Class. No.: </label>DB333.8  / UNI