000 00455nam a2200193Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aP90.W49 1989
100 _aWilliams, F.
245 4 _aThe new communications
260 _aBelmont
260 _bWadsworth Publishing Company
260 _c1989
300 _a355p.
300 _c23cm.
700 _aill.
942 _2Library of Congress Classification
942 _cBook
999 _c112776
_d112776