@book{24167,
	author = {Jaffe, Bernard. and De Vos, Pieter Jacobus Gerhard.},
	title = {Michelson en die spoed van lig /},
	publisher = {Tafelberg,},
	year = {1961.},
	series = {Moderne wetenskap, no. 9},
	address = {Kaapstad :}
}