00386nam a22001577a 4500 1816 1816 200204b ||||| |||| 00| 0 eng d 541.2 D2521 1431 Davidson, Martin. The Mid-twentieth century atom 1st London Hutchinson 1946 127p. 5.14 Atom BK 0 0 ddc 0 541_200000000000000_D2521 0 4758 CL CL 1953-02-25 A. H. Wheeler 541.2 D2521 01534 2020-02-04 BK 0 0 ddc 0 541_200000000000000_D2521 0 4759 CL CL 1953-02-25 A. H. Wheeler 541.2 D2521 01535 2020-02-04 BK