@book{10147,
	author = {Symposium in Honour of Bengt Stromgren and Gustafsson, B., ed.},
	title = {Astrophysics recent progress and future possibilities},
	publisher = {The Royal Danish Academy of Sciences},
	year = {1990},
	series = {Mathematisk-Fysiske Meddelelser 42:4},
	address = {Copenhagen}
}