000 00490nam a2200193Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aP121.B818
100 _aBung, Klaus
245 0 _aTowards a theory of programmed language instruction
260 _aHague-Paris
260 _bMouton & Company
260 _c1973
300 _a104p.
300 _c26cm.
650 _aLanguage and languages
942 _2Library of Congress Classification
942 _cBook
999 _c101796
_d101796