作者:by George H. De Groat. Under the direction of ASTE National Technical Publications Committee, Francis J. Sehn, chairman [and others] Frank W. Wilson, executive editor [and] Philip D. Harvey, staff editor.
by George H. De Groat. Under the direction of ASTE National Technical Publications Committee, Francis J. Sehn, chairman [and others] Frank W. Wilson, executive editor [and] Philip D. Harvey, staff editor.