TY  - BOOK
AU  - Koenigswald, G. H. R. von
TI  - Evolutionary trends in Foraminifera: a collection of papers dedicated to I.M. van der Vlerk on the occasion of his 70th birthday 
AV  - QE772 .K6
U1  - 563.1 
PY  - 1963///
CY  - Amsterdam
PB  - Elsevier Pub. Co.
KW  - Vlerk, I. M. van der
KW  - Foraminifera, Fossil
N1  - Includes bibliographical references and index
ER  -