@misc{159219,
author = {International Medical Congress},
title = {{Tests of sight suitable to be enforced in the case
of signallers and look-out men and other persons
by land or sea with suggesstions as to
international arrangements for an uniform system
of maritime coast and Harbour signalling with a
view to the safety of life and property}},
year = 1881,
publisher = {: 4},
url = {https://vlp-new.ur.de/records/lit35288}
}