@article{PPN236020595+dmdlog105, title = {III. Dioptrik}, booktitle = {Nachtraege zur Physik, Chronologie und Astronomie Bd.11, Abt.1}, series = {GDML\_Books}, year = {1927}, pages = {126}, url = {http://dml.mathdoc.fr/item/PPN236020595+dmdlog105} }
(éd.). III. Dioptrik, dans Nachtraege zur Physik, Chronologie und Astronomie Bd.11, Abt.1, GDML_Books, (1927), p. 126. http://gdmltest.u-ga.fr/item/PPN236020595+dmdlog105/