000 00242nam a2200109Ia 4500
020 _a0093-6502
942 _cBV
654 _a
245 _aCommunication Research; Vol 20
_b1993
260 _aLondon
_bSAGE Publications
_c1993
082 _a302.5
999 _c362981
_d362981
041 _aeng