@article {500,
	title = {"Studies in the Boraginaceae": An index to the publications of Ivan M. Johnston dealing with the Borage family},
	journal = {Haussknechtia Beiheft},
	volume = {11},
	year = {2001},
	month = {2001///},
	pages = {1 - 151},
	keywords = {Boraginaceae},
	author = {Hilger, Hartmut H. and Zippel, Elke}
}
@article {460,
	title = {The Euro+Med treatment of Boraginaceae in Willdenowia 34 {\textendash} a response},
	journal = {Willdenowia},
	volume = {35},
	year = {2005},
	month = {2005///},
	pages = {43 - 48},
	url = {www.jstor.org/stable/3997598},
	author = {Hilger, Hartmut H. and Gottschling, M. and Selvi, F. and Bigazzi, M. and L{\r a}ngstr{\"o}m, E. and Zippel, Elke and Diane, N. and Weigend, Maximilian}
}
