Editore: USGS Circular 800, 1979, 114 pp., 1979
Da: Eryops Books, Stephenville, TX, U.S.A.
Soft Cover. Condizione: Very Good. ORIGINAL PUBLICATION; Softcovers; ex-corporate libary; in very good condition.
Editore: USGS Circular 800, 1979, 114 pp., 1979
Da: Eryops Books, Stephenville, TX, U.S.A.
Soft Cover. Condizione: Very Good. ORIGINAL PUBLICATION; Softcovers; light foxing of edges; o/w very good condition.