1. The V-process review and current status;Clegg;Foundry Trade J.,1985
2. Fundamental technique of the vacuum molding process;Kono;B. Found.,1974
3. A survey of goal programming;Kornbluth;OMEGA Int. J. Management Sci.,1973
4. Molding unbounded sand with vacuum – the V-process;Kubo;AFS Trans,1973
5. Experimental design;Cochran,1962