545,376 SLEEP Sleep, aging and related disorders : symposium 3 on sleep disorders, held druing the 13th World Congress of Neurology, Hamburg, September 2, 1985 / vol. ed. W. Emser, D. Kurtz, W. B. Webb. -Basel [etc.] : Karger, 1987. - IX, [1], 165 s. : wykr. ; 25 cm (Interdisciplinary Topics in Gerontology ; vol. 22) ISBN 3-8055-4451-0