Soft Cover. Condizione: Very Fine. Soft cover, Ernest A. Mancini, editor, American Association of Petroleum Geologists, 2005, 175 pages, Very Fine.
Soft Cover. Condizione: Good. Soft cover, Ernest A. Mancini, editor, American Association of Petroleum Geologists, 2006, 183 pages,Good (moderate front cover wear, tear on front edge on cover, text block pages edgeworn, slight dampstaining).