00533nam a2200181Ia 4500003000900000008004100009020001800050040001600068080001800084245007500102260002700177300001000204490005200214650001400266650001200280700003400292700002500326IN-BaIIA211028s9999    xx            000 0 eng d  a0-470-74390-5  cIIA Library  a042.53bBRA-9 0aPhysical sciencesbvol. 9cedited by Sir W. L. Bragg and George Porter  aLondonbElsevierc1970  a550p.  aThe Royal institution library of science Series  aChemistry  aPhysics  aBragg, William Lawrence., ed.  aPorter, George., ed.