Type:		Book, Whole
Title:		Nature et Origine des Comètes
Author(s):		Sekanina, Z.
Date:		1966
City of Publication:		Liège
Publisher:		Université de Liège
Start Page:		145
Link:		https://books.google.com/books/about/NATURE_ET_ORIGINE_DES_COMETES.html?id=7ZwoAAAAYAAJ