@book{9351,
	author = {International Astronomical Union Colloquium on Bioastronomy - the Next Steps and Marx, George .,ed.},
	title = {Bioastronomy - the next steps},
	publisher = {Kluwer Academic},
	year = {1988},
	series = {Astrophysics and space science library; v. 144},
	address = {Dordrecht}
}