000			00359nam a2200145 4500
003			OSt
008			220602b |||||||| |||| 00| 0 eng d
082			_a510.7 _bMCS
100			_aMcswain,E.T.
245			_aMathematics 7
260			_bLaidlaw brothers publishers,
300			_a384p.; _c24cm
650		0	_aNatural sciences and mathematics
942			_2ddc _cLM
999			_c136259 _d136259