Editions du Cent Nat de Rec Sci  France <br/><br/>
Cahiers de Micropaleontology   No 4 

 -  Editions du Cent Nat de Rec Sci, France 
 - pp 58,pls.8;   27*21 
<br/><br/><label>Dewey Class. No.: </label>H6/N79.4/B18946