Koch, William J. Plants in the laboratory : a manual and text for studies of the culture, development, reproduction, cytology, genetics, collection, and identification of the major plant groups / William J. Koch. - New York : Macmillan, 1973. - viii, 407 p. : ISBN: MBS10824 Subjects--Topical Terms: Botany-Laboratory manuals, etc.-- Dewey Class. No.: 580.78 / Pl