521,289 PROCEEDINGS Proceedings of the German Society for Neurosurgery. Modern aspects of neurosurgery Amsterdam 1973 Excerpta Medica 8° Excerpta Medica, International Congress Series no 306. Vol. 4. I. The peripheral visual pathway. II, Pituitary tumors. III. Varia.Proceedings of the 23rd Annual Meeting held in Hamburg, September 25-27, 1972. Ed. H.Kuhlendahl /i in./, s. IX, nl. 1, 264, ilustr.