1. Identification of wild grasses and cereal pollen;Andersen;Dan. Geol. Unders.,1979
2. Palynological evidence for climatic changes in the Levant ca. 17,000-9,000 B.P.;Baruch,1992
3. The interpretation of pollen spectra from prehistoric settlements (with special attention to Liguliflorae);Bottema;Palaeohistoria,1975
4. A Late Quaternary pollen diagram from Lake Urmia (northwestern Iran);Bottema;Rev. Palaeobot. Palynol.,1986