Symposium on Neuroglia / Symposium Concernant La Neuroglie / Symposium uber die Neuroglia - Papers Presented on the 12th Annual Meeting of the Vereinigung Deutscher Neuropathologen und Neuroanatomen Berlin, October 20-22, 1966 (English, French, German, Paperback, Softcover reprint of the original 1st ed. 1968)