Wever, Rutger A. The circadian system of man results of experiments under temporal isolation / Rutger A. Wever - New York : Springer-Verlag, 1979 - xi, 276 p. : graphs ; 27 cm. - Topics in environmental physiology and medicine . Includes bibliography (p. 256-265) and index ISBN: 0387903380 Subjects--Topical Terms: Circadian rhythmsHuman biology