@article {10.3262/SZ0904445, 
	author = "Klein, Ferdinand",
	title = "Becker, Klaus-Peter/Große, Klaus-Dietrich:",
	journal = "Sonderpädagogische Förderung heute",
	ISSN = "1866-9344",
	year = "2009",
	number = "4",
	pages = "445-446",
	doi = "10.3262/SZ0904445",
	url = "https://content-select.com/index.php?id=bib_view&doi=10.3262%2FSZ0904445",
	publisher = "Beltz Juventa",
	language = "",
}