@article{W��mann2006,
	title = {Class-size effects in school systems around the world: Evidence from between-grade variation in TIMSS},
	author = {Ludger W{\"o}{\ss}mann and Martin West},
	journal = {European Economic Review},
	month = {Apr},
	number = {3},
	pages = {695--736},
	url = {http://www.sciencedirect.com/science/article/B6V64-4FJKWTF-1/1/3342b9a9cea5efaa6c37dc1656bb1683},
	volume = {50},
	year = {2006},
	biburl = {http://www.bibsonomy.org/bibtex/252b35dce7c709f67f19f62bd54118beb/smicha},
	keywords = {Educational production }
}