Editore: USGS Professional Paper 743-B, 1973, 24 pp. + 4 plates., 1973
Da: Eryops Books, Stephenville, TX, U.S.A.
Soft Cover. Condizione: Very Good. ORIGINAL PUBLICATION; Softcovers; ex-library; in very good condition.
Editore: USGS Professional Paper 743-C, 1973, 15 pp. + 9 plates., 1973
Da: Eryops Books, Stephenville, TX, U.S.A.
Soft Cover. Condizione: Very Good. ORIGINAL PUBLICATION; Softcovers; ex-library; in very good condition.
Editore: USGS Professional Paper 743-C, 1973, 15 pp. + 9 plates., 1973
Da: Eryops Books, Stephenville, TX, U.S.A.
Soft Cover. Condizione: Very Good. ORIGINAL PUBLICATION; Softcovers; ex-library; in very good condition.