Editore: Ontario Department of Mines 55th Annual Report, vol. 55, pt. 3, 1946, 85 pp., 1946
Da: Eryops Books, Stephenville, TX, U.S.A.
Soft Cover. Condizione: Very Good. ORIGINAL PUBLICATION; Softcovers; ex-library; light creasing of wraps and pages; o/w in very good condition.