@book {9783608203806, 
	title = "Seelische Gesundheit im Leistungssport",
	author = "Markser, Valentin Z. AND Bär, Karl-Jürgen",
	isbn = "9783608203806",
	year = "2019",
	edition = "1",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783608203806",
	url = "https://content-select.com/de/portal/media/view/5c54173e-ea88-4fee-9b27-3792b0dd2d03",
	publisher = "Schattauer Verlag (Klett)",
	language = "ger",
}