Open Access
{"created":"2022-01-31T16:18:30.094483+00:00","id":"lit16029","links":{},"metadata":{"contributors":[{"name":"Donders, Franciscus Cornelius","role":"author"}],"detailsRefDisplay":"2 pages ","identifier":"lit16029","issued":"1870","pages":"2","startpages":"2","title":"[Letter to Hermann von Helmholtz]","type":"Manuscript"},"revision":0,"updated":"2022-01-31T16:18:30.094489+00:00"}