2001 - Coal Flotation and Fine Coal Utilization [Developments in Mineral Processing] (Hardcover) ISBN-13: 9780444505378 ISBN-10: 0444505377 ? 1989 - Frothing in Flotation a Volume in Honor of Jan Leja (Hardcover) ISBN-13: 9782881242977 ISBN-10: 2881242979 ? |