00433nam a2200145Ia 4500 210210b1973 xxu||||| |||| 00| 0 eng d 541.24 SONA SONI (P L) and SHARMA (H C). Atomic structure and periodic classification. N D Sultan Chand & Sons 1973 viiii,254 Atomic Structure Periodic Classification Theoretical Chemistry 032416 83399 83399 0 0 0 0 Chemistry AL AL Chemistry 2021-02-17 12.50 0 541.24 SONA 032416 2021-02-17 00:00:00 2021-02-17 BK