00547cam a2200205 a 4500 1914085 20180224035317.0 850515s1986 njua 001 0 eng 85009599 0132942992 DLC DLC DLC eng 658.45 658.45 PET 19 54 LID Executive's guide to data communications in the corporate environment / Henry H. Petersohn. 7 cbc orignew 1 ocip 19 y-gencatlg ddc BK 43365 43365 0 0 udc 0 0 PËKG 002 002 PËKG 2018-02-24 0 658.45 PET 002-2999999 2018-02-24 2018-02-24 BK