Leslie (ed) Numerical Control Programming Languages 1969 (PROLAMAT 69)

• Ambrosio, S.C. (1969) Ambrosio, S.C. "Nucol: A New Language for NC", pp73-87
• Mangold, W. E. (1969) Mangold, W. E. "Status of NC language standardization in ISO"
• Stute, G. and Eitel, H. (1969) Stute, G. and Eitel, H. "The Milling Technology In EXAPT 3" pp88-100