Gilmour, C.M. Mircobiology and soil fertility : papers presented at the twenty- fifth annual Biology Colloquium / C.M. Gilmour; edited by C.M. Gilm our and O.N. Allen. - Cornvallis : Oregon State University Press, 1965. - xii, 164 p. : ill. ; 24 cm. Includes bibliographical references. Subjects--Topical Terms: Soil mirco-organisms.--------Soil fertility.-------- Dewey Class. No.: 631.46 GIL