@article {319157,
	title = {Abh. Naturwiss. Vereine Bremen 24: 478. 1919.},
	year = {1919},
	keywords = {Brahms},
	author = {(Wall.) Bitter and Bitter}
}
@article {318982,
	title = {Abh. Naturwiss. Vereine Bremen 24: 468. 1919.},
	year = {1919},
	keywords = {Brahms},
	author = {Bitter and (Wall.) Bitter}
}
