@techreport { OECD2007,
	title = {Giving Knowledge for Free - The Emergence of Open Educational Resources},
	year = {2007},
	month = {05/2007},
	pages = {149},
	organization = {OECD Publishing},
	ISBN = {9789264032125},
	URL = {http://www.oecdbookshop.org/oecd/display.asp?SF1=DI&CID=&LANG=EN&ST1=5L4S6TNG3F9X},
	author = {OECD - Centre for Educational Research and Innovation}
}