@book{12403,
	author = {Lorentz, H A,},
	title = {Lessen over theoretische natuurkunde : aan de Rijks-Universiteit te Leiden gegeven /},
	publisher = {Brill,},
	year = {1920.},
	series = {Social Sciences - Book Archive pre-2000},
	address = {Leiden ;},
	url = {http://dx.doi.org/10.1163/9789004591196}
}