Trace fossils proceedings of an international conference held at Liverpool University, 6, 7, 8 January 1970 under the auspices of the Liverpool Geological Society and sponsored by the International Union of Geological Sciences
Crimes, Thomas Peter.
Harper, John Childs.
Flinn, Glenys Winifred.
Liverpool Geological Society.
Liverpool Seel House Press
1970
Includes bibliographies and index
Paleontology