000			00310nam a2200133Ia 4500
100			_aRichard E Mayer
020			_a0-521-78749-1
654			_aEDUCATION
942			_cBK
245			_aMultimedia learning
260			_aCambridge University Press, Cambridge _cc2001
082			_a371.33 May
300			_axi,210p
999			_c27039 _d27039