+ wishlist Add to Cart The item has been added Author: K. Altwegg P. Ehrenfreund Johannes Geiss W.F. Huebner Composition and Origin of Cometary Materials: Proceedings of an ISSI Workshop, 14–18 September 1998, Bern, Switzerland (Space Sciences Series of ISSI #8) [9780792361541] Buy More - Save More. Below are the available bulk discount rates for each individual item when you purchase a certain amount Quantity Price Savings 25 - 49 12% 50 - 99 13% 100+ 14% List Price As Low as $169.99 Format: Hardcover