Acta Palaeontologica Polonica 20 (4) 1975
Articles
Megaspores of the turma zonales from the Carboniferous of Poland. Part I - coronate megaspores
Acta Palaeontologica Polonica 20 (4), 1975: 447-500
Foraminifera from the Lower and Middle Triassic of Poland
Acta Palaeontologica Polonica 20 (4), 1975: 501-534
Structure and mode of origin of the ammonite proseptum
Acta Palaeontologica Polonica 20 (4), 1975: 535-542