Soft Cover. Condizione: Very Fine. Soft cover, Ernest A. Mancini, editor, American Association of Petroleum Geologists, 2005, 140 pages, Very Fine.
Soft Cover. Condizione: Very Good. Soft cover, Ernest A. Mancini, editor, American Association of Petroleum Geologists, 2006, 157 pages, Very Good (slight front cover wear, slight dampstaining).