1. Modern pollen surface samples—an analysis of subsamples;Adam;Journal Research United States Geological Survey,1975
2. Plant microfossils from archaeological sites: research considerations, and sampling techniques and approaches;Adams;The Kiva,1980
3. Plant remains from the Zimmerman site-grid A: a quantitative perspective;Asch,1975
4. Paleoethnobotany of the Koster Site: The Archiac Horizons;Asch,1972
5. Plants in Australian Archaeology, Tempus 1;Beck,1989