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001 14442
003 IN-NITTTR
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040 _beng
040 _cIN-NITTTR
041 _aeng
082 _a153.4 C659
100 _aWest, Leo H.T.
245 0 _aCognitive structure and conceptual change. /
_cWest, Leo H.T., Pines, A. Leon
700 _a Pines, A. Leon
942 _2ddc
_cBK
999 _c17078
_d17078