@book{ Solr-110372, title = {Elektrodynamik und Optik.}, series = {Einführung in die theoretische Physik ;}, author = {Schaefer, C.}, editor = {Schaefer, C.}, address = {Berlin}, publisher = {DeGruyter}, year = {1950}, edition = {2., durchges. Aufl.}, note = {deutsch}, }