Acta Palaeontologica Polonica 20 (1) 1975
Articles
The trilobite subfamily Homalonotinae from the Upper Silurian and Lower Devonian of Poland
Acta Palaeontologica Polonica 20 (1), 1975: 3-46
Neocomian oysters from Central Poland
Acta Palaeontologica Polonica 20 (1), 1975: 47-72
Colonial volvocales (Chlorophyta) from the Upper Devonian of Poland and their palaeoenvironmental significance
Acta Palaeontologica Polonica 20 (1), 1975: 73-85
On the Oxfordian genus Subdiscosphinctes Malinowska, 1972, and subgenus S. (Aureimontanites) nov. (Perisphinctidae, Ammonoidea)
Acta Palaeontologica Polonica 20 (1), 1975: 87-96