00287nam a2200121Ia 4500008004100000041000800041100001400049245002200063260004500085300000800130365000800138999001900146231011s9999    xx            000 0 und d  aeng  aComm Joel  aTwitter Power 2.0  bWiley India Private Ltd. New Delhic2010  a268  b297  c898797d898797