1. Exploratory palynology in the Sierra Nevada, California;Adam;University of Arizona, Geochronology Lab., Interim Res. Report,1984
2. O vozraste ozernyh otlozhenii Central'noi Yakutii po palinologicheskim dannym;Andreev,1986
3. Rastitel'nost' Lesostepi i Stepi Ukrainy v Chetvertichnom Periode po Dannym Sporovo-pyl'tsevogo Metoda;Artyushenko,1970
4. Das spätglazial am niederrhein;Averdieck;Fortschr. Geol. Rheinland-Westf.,1959
5. The Northwestern United States during deglaciation: vegetational history and palaeoclimatic implications;Barnosky,1987