00442nam a2200097Ia 4500008004100000050002200041100002300063245007800086247010000164264008000264230508s1994    xx            000 0 und d  aPN 4121 P957 19941 aGronbeck, Bruce E.10aPrinciples and types of speech communication 12th ed.cGronbeck, Bruce E.  aPrinciples and types of speech communication 12th ed._PN 4121 P957 1994_Gronbeck, Bruce E._1994  a[Place of publication not identified] : bHarperCollins Publishers, c1994.