00359nam a2200133Ia 4500003000400000008004100004020002400045040000800069100001600077245007200093260003200165300001500197365001300212LDD181029s9999    xx            000 0 und d  a140203802XcE399.00  cLDD  aWeiss, Joel 0aInternational Handbook of Virtual Learning EnvironmentscJoel Weiss  aNetherlandsbSpringerc2006  a2v, 1615p.  bE 399.00