@article {2871,
	title = {Physiologische und systematische Untersuchungen in der Gattung Leucostoma},
	journal = {Phytopathologische Zeitschrift},
	volume = {40},
	year = {1961},
	pages = {303-314},
	author = {Kern, H.}
}
@article {2870,
	title = {Untersuchungen {\"u}ber die Umgrenzung der Arten in der Ascomycetengattung Leucostoma},
	journal = {Phytopathologische Zeitschrift},
	volume = {30},
	year = {1957},
	pages = {149-180},
	author = {Kern, H.}
}
