000 00304nam a2200109Ia 4500
008 211228s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aInt. Inst. of Communication
245 0 _aIssues in CommunicationsNo.1
260 _bAuthor
_aLondon
_c1977
942 _c1
999 _c178771
_d178771