000			00376nam a2200121Ia 4500
008			190829s9999 xx 000 0 und d
082			_a530 _bNAT/PH
100			_aNATIONAL COUNCIL FOR EDUCATIONAL RESEARCH AND TRAINING
245		0	_aPHYSICS : TEACHERS RESOURCE BOOK AND GUIDE, Part I
250			_a2nd Ed.
260			_bD.C.Heath and Company, Boston _aBoston _c1967
942			_cBK
999			_c9422 _d9422