Keyword pollen grain
Comparative analysis of pollen counts of Corylus, Alnus and Betula in Szczecin, Warsaw and Lublin (2000-2001).
Ann Agric Environ Med. 2001;8(2):235–240
BRIEF COMMUNICATION
Comparative analysis of pollen fall at three sites in south-eastern Poland.
Ann Agric Environ Med. 1999;6(1):73–79