000			00440nam a22001457a 4500
008			150731b2015 xxu||||| |||| 00| 0 eng d
020			_a9783319058245
060			_aLB1025
100			_aIsaias, P; Spector, J M; Ifenthaler, D; Sampson, D G
245			_aE-learning systems, environments and approaches _bTheory and implementation
250			_a1st
260			_aHeidelberg _bSpringer _c2015
650			_ae-learning _913078
942			_n0
999			_c30211 _d30211