New Finds of Acanthodians, Arthrodires, Crossopterygians, Ganoids and Dipnoans in the Upper Middle Devonian Calcareous Flags (Oberer Plattenkalk) of the Bergisch Gladbach-Paffrath Trough, Part 1 & 2.
1960-61. Paläontologische Zeitschrift 34 & 35; pp. 295-335, 6 fig. 4 plts. h.t. /&/ pp. 10-27, 4 fig. 6 plts. h.t. Orig. extracts, plain new wraps. very good.
New Finds of Acanthodians, Arthrodires, Crossopterygians, Ganoids and Dipnoans in the Upper Middle Devonian Calcareous Flags (Oberer Plattenkalk) of the Bergisch Gladbach-Paffrath Trough. Part 1 & 2.
1960-61. Paläontologische Zeitschrift 34 & 35; pp. 295-335, 6 fig, 4 plts. h.t. /&/ pp. 10-27, 4 fig. 6 plts. h.t. Orig. extracts with journal's printed covers, very good.