000 00259nam a2200109Ia 4500
008 160710s1976 xx 000 0 und d
100 _aPATERSON, J
245 _aINTRODUCTION TO LAN EXCHANGE
260 _bVAN NOSTRAND
_c1976
300 _a224
942 _2ddc
_cB
999 _c44034
_d44034