@mastersthesis {4055,
	title = {The corticolous and lignicolous species of Bacidia and Bacidina in North America},
	volume = {PhD},
	year = {1996},
	pages = {148 pp.},
	url = { http://lup.lub.lu.se/record/17734},
	author = {Ekman, S.}
}
