000			00254 a2200121 4500
080			_a541.8 _bJ 77 N
245	1		_aNature of solution _cby H.C. Jones
260			_c1917
650			_aNature
650			_aSolution
100	1		_aJones, H.C. _d
901			_a616
999			_c26451 _d26451