000 00260nam a2200097Ia 4500
008 230508s1990 xx 000 0 und d
041 _aeng
100 _aPIERRO LAFRANCE
245 _aFUNDAMENTALS CONCEPT IN COMMUNICATIONS
260 _bPRENTICE HALL OF IND
_c1990
999 _c731401
_d731401