Heimler, C. H. Focus on life science Charles H. Heimler ; LucyDaniel and Daniel, J. David - Teacher's annotated - Ohio : C.S. Merrill Pub. Co., 1981. - viii, 534 p. : ill. ; 24 cm. Includes bibliographical references. ISBN: 9780675028097 Subjects--Topical Terms: Life sciences. LC Class. No.: QH308.2.H45