@book {683,
	title = {American Arctic Lichens I. The Macrolichens},
	year = {1984},
	publisher = {Columbia University Press},
	organization = {Columbia University Press},
	issn = {0231058888, 9780231058889},
	author = {Thomson, John Walter and Bethia Brehmer}
}
@book {1534,
	title = {The Lichens of Sweden and Norway},
	year = {1984},
	pages = {333},
	publisher = {Swedish Museum of Natural History},
	organization = {Swedish Museum of Natural History},
	address = {Stockholm},
	isbn = {9186510002},
	author = {Rolf Santesson}
}
@article {716,
	title = {The Typification of Withering{\textquoteright}s Neglected Lichens},
	journal = {The Lichenologist},
	volume = {16},
	number = {3},
	year = {1984},
	pages = {211-239},
	author = {J.R. Laundon}
}
