00285nam a2200109Ia 4500008004100000041000800041082001400049100001800063245004400081260003900125365001100164240624s9999    xx            000 0 und d  aeng  a658.3 HEI  aHEIPHETZ ALEX  aTRAINING AND COLLABORATION WITH VIRTUAL  c2010aNew DelhibTata McGraw- Hill  cRSb30