000 00386nam a2200145Ia 4500
008 220920s9999 xx 000 0 und d
020 _a805800549
082 _bPOL
100 _aPOLSON, MARTHA C.
245 0 _aFOUNDATIONS OF INTELLIGENT TUTORING SYSTEMS
260 _bLAWRENCE ERLBAUM ASSOCIATES PUBLISHERS, NEW JERSEY
_c1988
300 _a280
650 _aEnglish
942 _cBK
999 _c170600
_d170600