Dvorak, John. Dvorak's guide to PC telecommunications / - Berkeley : Osborne McGraw-Hill, 1990. - xlvii, 1053 p. : ill. ; 24 cm. 0 1 0 0 ISBN: 0-07-881551-7 Source: 1992-125 Subjects--Topical Terms: Telecommunication--Data processing. Microcomputers. LC Class. No.: TK5102 / .5 .D95 1990