Wells, Kenneth, 1927- Light and electron microscopic studies of Ascospore ontogeny / Ke nneth Wells. - Berkeley : University of California Press, 1972. - 93 p. : ill. ; 26 cm. Includes bibliographical references (p. 29-33). Subjects--Topical Terms: Ascobolus stercorarius.--------Asci.--------ascospores.-------- Dewey Class. No.: 589.23 WEL