000 00413nam a2200133Ia 4500
008 220407s9999 xx 000 0 und d
040 _cATVERC
050 _a06.01 AEC USA 1996
245 0 _aTech trends vol 40 no. 3 - vol 41 no. 6
260 _aWashington, DC
_bAssociation for Educational Communications and Technology
_c1996
300 _a324 p. : ill. ; 27 cm.
_c27 cm
650 _aEducation
999 _c17453
_d17453