1. The effects of differential preservation in a pollen analytical study (abstract);Bachhuber,1970
2. Paleolimnology of Lake Estancia and the Quaternary History of the Estancia Valley, Central New Mexico;Bachhuber,1971
3. Calculation of pollen and spore density in sediments by addition of exotic pollen in known quantities (abstract);Benninghoff;Pollen Spores,1962
4. Evidence for differential pollen preservation in late Quaternary sediments in Minnesota;Cushing;Rev. Palaeobot. Palynol.,1967
5. Late-Wisconsin pollen stratigraphy and the glacial sequence in Minnesota;Cushing,1967