000 00509 a2200253 4500
001 141288
020 _a0
041 _aeng
080 _a37.01 Sol
245 _aIntroduction to the analysis of educational concepts
250 _a
260 _aReading
260 _bAddison-Wesley,
260 _c1968
300 _axii,100 p.
300 _c21 cm
490 _aNASA CR 3780 : 1984
100 _aSoltis, Jonas F.
700 _a
650 _a
650 _aEducation
942 _cBK
942 _2UDC
999 _c79982
_d79982