542,915 AGING Aging of the brain : Proceedings of the First International Tropon Symposium on Brain Aging, held in Cologne, Federal Republic of Germany, on November 16-18, 1982 / ed. by Willem Hendrik Gispen and Jörg Traber. - Amsterdam ; New York ; Oxford : Elsevier Science Publ., 1983. -317 s. :il., wykr.; 25 cm (Developments in Neurology ; vol. 7) ISBN ser. : 0-444-80078-6 ISBN vol. : 0-444-80546-X