R. Jensen, Clayne Prof. Scientific Basis Of Athletic Conditioning / Clayne R. Jensen and A. Garph Fisher - Second edition. - Philadelphia : Lea & Febiger, 1979. - 374 pages. hbk. 26 cm. includes index. ISBN: 0-8121-0633-4 Subjects--Topical Terms: Athletics Dewey Class. No.: 612.044 / JEN