Thom Verhave,Origins of psychometry: A review article. De Jaager,Johan Jacob,Student of F. C. Donders,Translated and Edited by Josef Brožek and Maarten S. Sibing with a complete facsimile of the original Dutch text. (Dutch Classics in History of Science,Volume DVII) Nieuwkoop: B. De Graaf, 1970. 76 pp., fl. (Dutch guilders) 72 |