Palaeoecology and biostratigraphy of graptolites proceedings of the 2nd International Conference of the Graptolite Working Group of the International Palaeontological Association, held at Cambridge University, 1-15 September, 1981
International Palaeontological AssociationGraptolite Working GroupInternational Conference2nd1981Cambridge University.
Hughes, C. P.(Christopher Paul),1942-
Rickards, R. B.(Richard Barrie),1938-
Chapman, A. J.
Geological Society of London.
Oxford Published for the Geological Society by Blackwell Scientific
1986
Includes bibliographies and index
Graptolites.