SCHWARTZ, MISCHA. INFORMATION TRANSMISSION, MODULATION, AND NOISE : A UNIFIED APPROACH TO COMUNICATION SYSTEMS/ M. SHCWARTZ - 2 - TOKYO ; MEXICO: MCGRAW-HILL 1970 - XVII, 672 P. 22 CM. INCLUYE INDICE. Subjects--Topical Terms: 1.SISTEMAS DE COMUNICACION. Dewey Class. No.: 621.38 S39 1970