000			00329 a2200145 4500
082			_a510 _bJOH
090			_c30189 _d52912
100			_aJohnson, Donovan A.
245			_aThe world of measurement
260			_aUSA _bWebster _c1961 _g1961
300			_a64p. _c23cm.
650			_aMathematics
650			_aMeasurement
942			_cL
999			_c56699 _d56699