Bleekman, George M. Looking at biology manual / George M. Bleekman, Alyce M. Fiedler, Laurence I. Fulton. - 2nd ed. - Palo Alto, CA. : Peek Publications, 1977. - 172 p. : ill. ; 28 cm. ISBN: 0917962303 Subjects--Topical Terms: Biology--Laboratory manuals.Biology--Study and teaching.