@book{10345,
	author = {Colloquium of the International Astronomical Union and Neugebauer, M., ed. and International Astronomical Union},
	title = {Comets in the post-halley era},
	publisher = {Kulwer Academic},
	year = {1991},
	series = {Astrophysics and Space Science Library; v. 167},
	address = {Dordrecht}
}