作者:sponsored by Mechanical Working Committee of the Iron and Steel Division, the Metallurgical Society, and Pittsburgh Section, American Institute of Mining, Metallurgical, and Petroleum Engineers ; edited by E.W. Earhart and John F. Griffin.
作者:prepared under the direction of the Engineering Practice Committee, Concrete Reinforcing Steel Institute ; special consultants, Edward S. Hoffman, Paul E. Mast, Alfred L. Parme.
sponsored by Mechanical Working Committee of the Iron and Steel Division, the Metallurgical Society, and Pittsburgh Section, American Institute of Mining, Metallurgical, and Petroleum Engineers ; edited by E.W. Earhart and John F. Griffin.
prepared under the direction of the Engineering Practice Committee, Concrete Reinforcing Steel Institute ; special consultants, Edward S. Hoffman, Paul E. Mast, Alfred L. Parme.