544,962 SLEEP Sleep and sleep disorders : symposium organised by the South-East European Society for Neurology and Psychiatry : Baden/Vienna Austria April 19-20, 1985 / ed. H. Lechner, E. Körner. - [Basel etc. : S. Karger Medical and Scientific Publ., 1986]. - 157, [2] s. : wykr. ; 25 cm (European Neurology ; vol. 25, suppl. 2) ISBN 3-8055-4443-X