Darlington, C. D. The handling of chromosomes / C. D. Darlington, L. F. La Cour. - Sixth edition. - London : George Allen & Unwin Ltd, 1976. - 201 pages, 16 unnumbered leaves of plates : illustrations ; 24 cm. Includes index. ISBN: 0045740143 pbk. Subjects--Topical Terms: Biology Dewey Class. No.: 574.87322 / DAR