Stichting Mathematisch Centrum
Stichting Mathematisch Centrum. Statistische Afdeling

Terpstra, T. J. (1953). The exact probability distribution of the T statistics for testing against trend and its normal approximation : (Proceedings KNAW series A, 56(1953), nr 5, Indagationes Mathematicae, 15(1953), p 433-437). Stichting Mathematisch Centrum. Statistische Afdeling. Stichting Mathematisch Centrum.