TY - BOOK AU - Fernandez, J. A .,ed. TI - Comets: nature, dynamics, origin and their cosmogonical relevance T2 - Astrophysics and space science library; v. 328 SN - 1-4020-3490-3 PY - 2005/// CY - Dordrecht PB - Springer KW - Comets KW - Cosmic relevance ER -