00326nam a2200121Ia 4500100002300000650002100023366000700044245008600051260001900137082001700156300000800173546002300181  aUpadhyaya/Shambhu   aMobile computing  f25  aMobile computing:Implementing pervasive information and communication tecnologies  bSpringerc2002  a621.382bUPA  a216  aENGLISHcComputers