574.3 S Sharp, Lester Whyland, 1887- Introduction to cytology. 3. ed. New York an London, McGraw-Hill book, 1934. xiv, 567p. 230 ilus., 23cm (Anteportada: McGraw-Hill publications in the agricultural and botanical sciences. Edmind W. Sinnott, consulting editor) Bibliografía; p. 449-532