TY - BOOK ED - American Foundrymen's Society TI - Effect of green sand additives on mold cavity enlargement in gray iron castings: report of research project sponsored by AFS Training and research Institute U1 - 669.1413 21 PY - 1965///]. CY - Des Plaines, Illionois: PB - American Foundrymen’ s Society, KW - Metal castings KW - Weldings N1 - Includes bibliography ER -