Echinoids at the Cretaceous/Paleogene boundary
Markov, A.V.; Solovjev, A.N. (1998). Echinoids at the Cretaceous/Paleogene boundary, in: Mooi, R. et al. (Ed.) Echinoderms: San Francisco: Proceedings of the Ninth International Echinoderm Conference, San Francisco, California, USA, 5-9 August, 1996. pp. 732
In: Mooi, R.; Telford, M. (Ed.) (1998). Echinoderms: San Francisco - Proceedings of the Ninth International Echinoderm Conference, San Francisco, California, USA, 5-9 August, 1996. A.A. Balkema: Rotterdam. ISBN 90-5410-929-7. XXXII, 923 pp., more
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