1. Statistical studies on pollen representation in Finnish lake sediments in relation to forest inventory data;Parsons;Annales Botanici Fennici,1980
2. Late quaternary vegetational history of North America;Wright;Late Cenozoic Glacial Ages.,1971
3. Retrogressive forest development, as reflected in a mor pollen diagram from Mantingerbos, Drenthe, the Netherlands;Stockmarr;Palaeohistoria,1975
4. The interpretation of some post-Glacial vegetation diversities at different Lake District sites
5. Surface sample analysis from Ayrshire, Scotland;Turner;Pollen et Spores,1964