00416nam a22001457i 4500001001000000005001700010008004100027082001800068100003000086245005600116260005100172300001700223650001200240020001800252SXC01976920260819093654.0260101s1977    ii            000 0 eng d  a530 POW-A222  aPownety, D J; Stokes, B J10aAdvanced level physics /cPownety, D J; Stokes, B J  abEdward Arnold Publishers Ltd., London,c1977  ap. ;c22 cm. 0aPhysics  a9780435686109