Publication Found
- Bulletin 202 (2)--Techniques for Determining Coccolith Abundance in Shaly Chalk of Greenhorn Limestone (Upper Cretaceous) of Kansas
 - by D. E. Hattin , D. A. Darko
 - 11 p., 1971, $2.50
 - Full Version available online
 
(use these links to search for books that may be out of print)