@book{14296,
	author = {International Astronomical Union and International Astronomical Union Colloquium and Svoren, J., ed.},
	title = {Evolution and source regions of steroids and comets},
	publisher = {Astronomical Institute of the Slovak Academy of Sciences},
	year = {1999},
	series = {IAU Colloquium; no. 173},
	address = {Tatranska Lomnica}
}