00338nam a2200121Ia 450000500170000000800410001710000480005824500720010625000080017830000080018694200070019499900150020120260504103312.0260504s9999||||xx |||||||||||||| ||und||  aPhilip H.                                   0aExtension management in the information age initiatives and impacts  a1st  a443  cBK  c7442d7442