00357nam a2200133Ia 4500 200103s9999||||xx |||||||||||||| ||und|| IMU-MPC Column-64 Davidson, Martine The Mid-Twentieth Century Atom Hutchinson's Scientific & Technical Publications, London 1946 127 BK 11422 11422 0 0 0 0 12421 Column-64 2020-01-08 MPC655 2025-03-17 BK