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The depressor mandibulae muscle in Anura
Vol 20, Iss 3-4, Page 93
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The tadpole of Phrynobatrachus mababiensis FitzSimons, 1932 (Anura, Ranidae, Petropedetinae)
Vol 20, Iss 3-4, Page 132
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Notes on the treefrogs (Hyperoliidae) of North-Western province, Zambia
Vol 20, Iss 3-4, Page 137
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Diving behaviour of the Andean frog Hyla labialis
Vol 20, Iss 3-4, Page 150
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On distribution of and hybridisation between the newts Triturus vulgaris and T. montandoni in western Ukraine
Vol 20, Iss 3-4, Page 161