Freeman, R. B. 1978. Charles Darwin: A companion. Folkstone: Dawson.
Polymer Networks Group 20 Conference 20 Conference
Freeman, R. B. 1978. Charles Darwin: A companion. Folkstone: Dawson.
PDF) Topographic Morphology of the Postcranial Osteoderm Cover of an Adult Scutosaurus tuberculatus (Amalitzky) (Pareiasaurina) from the Late Permian of Eastern Europe