@article {324667,
	title = {in Bercht.\& Opiz, Oekon.-techn. Fl. B{\"o}hm. 3: 20. 1842?},
	year = {1842},
	keywords = {Brahms},
	author = {Opiz}
}
@article {324399,
	title = {in Bercht.\& Opiz, Oekon.-techn. Fl. B{\"o}hm. 3: 24. 1842? [1843?].},
	year = {1842},
	keywords = {Brahms},
	author = {Opiz}
}
