TY  - BOOK
AU  - Koenigswald,G.H.R.von
AU  - Vlerk,I.M.van der
TI  - Evolutionary trends in Foraminifera: a collection of papers dedicated to I. M. van der Vlerk on the occasion of his 70th birthday 
U1  - 563.1082 
PY  - 1963///
CY  - Amsterdam
PB  - Elsevier Pub.
KW  - Foraminifera, Fossil
KW  - Paleontology
N1  - Includes index
ER  -