Enger, Eldon D. . , Concepts in biology : laboratory manual/ Eldon D. Enger, Frederick C. Ross. - 13th ed. - iii, 300 pages illustrations 26 cm. ISBN: 9780077295257 0077295250 Subjects--Topical Terms: Biology --Laboratory manuals. LC Class. No.: QH308.2 / .E534 2012