00399nam a2200157Ia 4500008004100000020001400041084001300055100002300068245003500091250002000126260001900146260000900165260002200174300001000196500003500206180424s9999    xx            000 0 und d  a138272964  a808.5 O2  a"Oconnor, Regis J" 0aSpeech Exploring Communication  a\\198800ENGGPSX  aPrentice Hall   b1988  cEnglewood Cliffs   a582p.  aincludes index and biblioraphy