@inbook {46640,
	title = {Die beiden Habilitationen Franz Kleins},
	booktitle = {Festschrift f{\"u}r Karl-Heinz Danzl},
	year = {2017},
	pages = {543{\textendash}557},
	author = {P. G. Mayr}
}
@inbook {46639,
	title = {Die Studien- und Praxiszeit Franz Kleins},
	booktitle = {Historiarum ignaris semper sunt pueri. Festschrift Rainer Sprung},
	year = {2001},
	pages = {259{\textendash}282},
	address = {Wien},
	author = {P. G. Mayr},
	editor = {Bernhard K{\"o}nig}
}
