TY - BOOK AU - Stamper,David A. TI - Business data communications SN - 0805391045 AV - TK5105 .S734 1986 U1 - 004.6 19 PY - 1986/// CY - Menlo Park, Calif. PB - Benjamin/Cummings Pub. Co. KW - Data transmission systems KW - Local KW - Computer networks N1 - 920521; Includes bibliographies and index ER -