@book {778,
	title = {Hong Kong Lichens},
	year = {1988},
	publisher = {Urban Council},
	organization = {Urban Council},
	address = {Hong Kong},
	author = {S.L. Thrower}
}
@book {724,
	title = {Macrolichens of East Africa},
	year = {1988},
	publisher = {Henry Ling Ltd, The Dorset Press},
	organization = {Henry Ling Ltd, The Dorset Press},
	address = {Dorchester},
	isbn = {0-565-01039-5},
	author = {T.D.V. Swinscow and Krog, Hildur}
}
@article {1515,
	title = {Nephroma helveticum restituted for Finland},
	journal = {Graphis Scripta},
	volume = {2},
	number = {1},
	year = {1988},
	pages = {9-10},
	author = {Vitikainen, O}
}
@article {103,
	title = {Studies on the genus <em>Nephroma</em> II. The Southern Temperate Species},
	journal = {The Lichenologist},
	volume = {20},
	number = {2},
	year = {1988},
	pages = {103-166},
	chapter = {103},
	author = {F. Joy White and P.W. James}
}
@article {102,
	title = {Two New Species of <em>Peltigera</em>},
	journal = {The Lichenologist},
	volume = {20},
	number = {1},
	year = {1988},
	pages = {11-17},
	chapter = {11},
	author = {J. Holtan-Hartwig}
}
