Distribution of pollen and spores in the upper flowerpot formation (Permian) of Oklahoma
Published: 1968
Language: eng
Format: Microform
Number of pages: 193
Notes: Microfilm. Chicago, Ill. : University of Chicago, Joseph Regenstein Library, Dept. of Photoduplication, 1968. 1 microfilm reel ; 35 mm.
Bibliography: leaves 189-193.
Thesis (Ph. D.)--University of Chicago, 1968.
Copy imperfect: leaf 83 omitted in numbering.