Stichting Mathematisch Centrum
Stichting Mathematisch Centrum. Rekenafdeling

Brandt Corstius, H. (1964). Automatic translation of numbers into Dutch : (Foundations of language, 1(1965), p 59-62). In Stichting Mathematisch Centrum. Rekenafdeling (MR 68/64/R). Stichting Mathematisch Centrum.