@book {9783407291554, 
	title = "Handbuch Verhaltens- und Lernschwierigkeiten",
	author = "Leitner, Werner G. AND Ortner, Reinhold AND Ortner, Alexandra",
	isbn = "9783407291554",
	year = "2008",
	edition = "7",
	keywords = "Diagnostik, Heterogenität, Verhaltensauffälligkeit, Verhaltensschwierigkeit",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783407291554",
	url = "https://content-select.com/de/portal/media/view/519cc181-dfdc-4ddf-9f4c-253d5dbbeaba",
	publisher = "Beltz Verlagsgruppe",
	language = "ger",
}