Johansen, Donald Alexander 1901- Plant microtechnique / by Donald Alexander Johansen. - New York ; London : McGraw-Hill Book Company, inc., 1940. - xi, 523 p. : ill. ; 24 cm. - McGraw-Hill publications in the botanical sciences. . Bibliography ( p. 493-502) and index. Subjects--Topical Terms: Microscopy--Technique.Botany. Dewey Class. No.: 581.028 / JOP 1940