@article {319136,
	title = {Abh. Naturwiss. Vereine Bremen 24: 425. 1919.},
	year = {1919},
	keywords = {Brahms},
	author = {(Spreng.) Bitter}
}
@article {319117,
	title = {Abh. Naturwiss. Vereine Bremen 24: 475. 1919.},
	year = {1919},
	keywords = {Brahms},
	author = {(Spreng.) Bitter}
}
