Ambrose, Harrison W. A handbook of biological investigation Harrisson W. Ambrose Katharine Peckham Ambrose; Douglas J. Emlen; Kerry L. Bright. - 7a ed. - Knoxville, Tenn. Hunter Texbooks 2007. - 198 p. ill., 23 cm. Includes bibliographical references and index. ISBN: 0887253318 Subjects--Topical Terms: Biology--Methodology - - Handbooks, manuals, etc.