00493nam a2200133Ia 450000500170000008000180001724501960003526000290023130000270026058300180028765000250030594200120033099900170034220260716043725.0  a08.16.01 P187  aNational communication policies relating to children's television programs, violence, tobacco advertising and gender issues : Australia, Canada, Great Britain, Spain, United States of America  bPAHOaWashingtonUSc1996  a1 v. (various pagings)  c8/18/06kJOYD  aCOMMUNICATION POLICY  cMmP187  c53040d53040