000			00323nam a2200133Ia 4500
005			20260205095211.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a541.2 P223M
100			_aPARKER BERTHA MORRIS
245		0	_aMATTER MOLECULES AND ATOMS
260			_aN.Y. _bPETERSON _c1957
300			_a36
942			_cBK
999			_c206419 _d206419