@book{35913,
	author = {Goldmann, Franz. and Grotjahn, Alfred, and International Labour Office.},
	title = {Benefits of the German sickness insurance system from the point of view of social hygiene /},
	publisher = {International Labour Office,},
	year = {1928.},
	series = {Studies and reports. Series M (Social insurance) / International Labour Office ;},
	address = {Geneva :}
}