داڕێژە:Chatterton 2003
ڕواڵەت
«Cryptic behaviour in trilobites: Cambrian and Silurian examples from Canada, and other related occurrences». Trilobites and Their Relatives. Special Papers in Palaeontology. Vol. 70. The Palaeontological Association. 2003. pp. 157–173. ISBN 9780901702814.