prepared under the direction of the ASM Handbook Committee ; edited by Howard E. Boyer. prepared under the direction of the ASM Handbook Committee ; edited by Taylor Lyman. prepared under the direction of the ASM Handbook Committee ; edited by Taylor Lyman ...[et al.]. prepared under the direction of the ASM Handbook Committee ; William H. Cubberly, director. prepared under the direction of the ASM Handbook Committee. prepared under the direction of the ASM Committee on Gas Carburizing. prepared under the direction of the ASM International Handbook Committee ; Theodore J. Reinhart, technical chairman. prepared under the direction of the ASM International Handbook Committee ; D.U. Furrer and S.L. Semiatin, volume editors. prepared under the direction of the Committee on Personnel Advancement prepared under the direction of the ASM International Handbook Committee.