000 00250nam a2200097Ia 4500
008 130123s9999 xx 000 0 und d
082 _a BLA
100 _aBlack, Som.
245 _aPractical Public Relations . 4 th ed.
260 _aLondon
_bE.L.B.S.
_c1976
999 _c84373
_d84373