00283nam a2200109Ia 4500008004100000040001200041082001400053100001600067245004400083260003800127300000800165200103s9999||||xx |||||||||||||| ||und||  aIMU-MPC  aColumn-56  aHall, J. J. 0aSteel hardening Tempering and Annealing  bGeorge Newnes, Ltd., Londonc1945  a160