Hausenbuiller, R. L. Soil science : principles and practices / [by] R. L. Hausenbui ller. - Dubunque, Iowa : Brown, 1972. - xi, 504p. : ill., (part col.) ; 23 cm. Subjects--Topical Terms: Soil science.--------Soil biology.-------- Dewey Class. No.: 631.4 HAU