Nannofossils and their applications: Jason A. Crux and Shirley E. van Heck (Editors). Ellis Horwood Limited, Chichester, England, for The British Micropalaeontological Society, 1989, xi+356 pp., £69.50 (hardcover), ISBN 0-7458-0237-0 (Ellis Horwood Ltd.), ISBN 0-470-21203-9 (Halsted Press)