1. Das Blutgefȧßsystem von Salamandrci maciilata Triton taeniatus und Spelerpes fuscus. mit Betrachtungen über den Ort der Atmung beim lungenlosen Spelerpes fusciis;Bethge;Z. Wiss. Zool. Abt. A,1898
2. Vascularization of the respiratory surfaces of some Plethodontidae;Czopek;Zool. Pol.,1961
3. Quantitative studies on the morphology of respiratory surfaces in amphibians;Czopek;Acta Anat.,1965
4. Vascularization of the skeletal muscles, skin and mouth in Dcsmounuthiis quadramaculatus Holbrook (Amphibia. Plethodontidae);Czopek;Acta Anat.,1967
5. The role of diffusion and convection in gas transport to tissues in the plethodontid salamander, Desnuiynalhus juscus;Gatz,1973