00421nam a2200133Ia 4500008004100000041000800041084001000049100001900059245005600078260003500134653001400169999001700183952008700200160808s1948    xx            000 0 eng d  aeng  aE2CC  aBragg, William  aConcerning the nature of things /cby William Bragg  aLondon :bG Bell & Son,c1948.  aChemistry  c75198d75198  001040708CR1aLIBbLIBd2016-08-11l0oE H8p60319r2016-08-11w2016-08-11yREF