Malmgren, B. A.; Berggren, William A. (1982): Microevolutionary patterns in some late Neogene planktonic foraminiferal lineages. Society of Economic Paleontologists and Mineralogists, Tulsa, OK, United States, In: Anonymous, North American paleontological convention III; abstracts of papers, 56, Suppl. to No. 2., 18, georefid:1983-007261