@book{1981,
	author = {Kohn, R.},
	title = {Coordination of health and welfare services in four countries : Austria, Italy, Poland and Sweden : report on a study.},
	publisher = {World Health Organization (WHO) Regional Office for Europe,},
	year = {1977.},
	series = {(Public health in Europe ; no. 6)},
	address = {Copenhagen : }
}