@book {1331,
	title = {Versuch einer geognostisch-botanischen Darstellung der Flora der Vorwelt},
	volume = {Fasc. 2},
	year = {1823},
	pages = {1-33, pls 14-26},
	publisher = {Fleischer},
	organization = {Fleischer},
	address = {Leipzig},
	author = {Sternberg, Kaspar}
}
@book {659,
	title = {Versuch einer geognostisch-botanischen Darstellung der Flora der Vorwelt},
	volume = {1, Fasc. 4},
	year = {1825},
	pages = {1-48, I-XLII, pls 40-54, A-E},
	publisher = {Christoph Ernst Brenck{\textquoteright}s Wittwe},
	organization = {Christoph Ernst Brenck{\textquoteright}s Wittwe},
	address = {Regensburg},
	url = {http://www.geology.cz/aps/dvd_stbg/index.htm},
	author = {Sternberg, Kaspar}
}
