Symon L. Advances and technical standards in neurosurgery - - Wien Springer-Verlag 1991 - 209 p. 26 cm. - Advances and technical standards in neurosurgery.vol.18 . Neurosurgery, Periodicals ISBN: 3211822437 Subjects--Topical Terms: PeriodicalsNeurosurgery Dewey Class. No.: SERIAL / ADV