Van Der Vlerk, I. M. <br/><br/>
Evolutionary trends in foraminifera. 

 - London :  Elsevier,  1963. 
 - 355 p. :  il. ;  24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleontología<br/>Foraminifera<br/>Protozoa
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>563.12