@book{37774,
	author = {Colebatch, H. K.},
	title = {Policy /},
	publisher = {Open University Press,},
	year = {1998.},
	series = {Concepts in the social sciences},
	address = {Buckingham [England] :},
	url = {http://www.gbv.de/dms/sub-hamburg/23451129X.pdf}
}