1Behre K E, 1988. The role of man inEuropean vegetation history. In: Huntley B, Webb T. Ⅲ (eds.). Vegetation History. KluwerAcademic Publishers. 633-667.
2Harmata K, 1987. Late-Glacial and Holocene history of vegetation ofRoztoki andTarnowiec near Jas3o (Jas3o-Sanok Depression). Acta Palaeobot., 27(1): 43-65.
5Moore P D, Webb J A, Collinson M E, 1991. Pollen analysis. BlackwellScientificPublications, Oxford.
6Peglar S M, Birks H J B, 1993. The mid-Holocene Ulmus fall at Dissmere, South-EastEngland - disease and human impact? Vegetation History and Archaeob., 2:61-68.
