000 00457nam a2200145Ia 4500
003 LDD
008 181029s9999 xx 000 0 und d
040 _cLDD
110 _aAssociation for educational and technolo
245 0 _aInternational yearbook of educational and instructional technology-1976-1989
_cAssociation for educational and technolo
260 _aNew york
_bKogan Page
_c1976
300 _a26v.
901 _a1306
_b12-03-1998
942 _2ddc
_cBK
999 _c20428
_d20428