TY - GEN N1 - 21 cm ; ilustracje N1 - ISSN 0009-6172 L1 - http://rcin.org.pl/Content/80880/PDF/KR038_103529_r1978-t34-no1_ChPO-Konca-32-38.pdf M3 - Text PY - 1978 IS - 1 EP - 38 A1 - Konca, Bernard A2 - Research Centre for the Protection of Nature of the Polish Academy of Sciences PB - Państwowe Wydawnictwo Naukowe VL - 34 CY - Warszawa CY - Kraków SP - 32 T1 - The trees on the Drava river worthy of protection UR - http://rcin.org.pl/dlibra/publication/edition/80880 ER -