00264nam a2200133Ia 4500020000900000082001000009100001700019245002100036250000600057260004500063300000800108500000800116650000600124  aNULL  a530.1  aSmith, G. J. 0aDegree Physics 1  a-  aN. DelhibOrient Longman Private Limited  a732  a360  a-