00317 a2200109 4500 20250607101925.0 Oxford Junior Encyclopaedia : Volume IV Communications London, Oxford University Press, 1961. 496p.: Ill.: figures. 25cm. SALT, L. E. ddc BKS 3408 3408 2025-06-07 10:22:14 0 00000011458 60000.00 2025-06-07 BKS 0 ddc 0 0 0 CBEML CBEML REF 1959-06-18 20000.00