Editore: Servico Geologico e Mineralogico do Brasil Boletim 33, 1929, 23 pp., 1929
Da: Eryops Books, Stephenville, TX, U.S.A.
Soft Cover. Condizione: Good. ORIGINAL PUBLICATION; Softcovers; ex-library; shelfwear w/ creased corners of wraps and pages; small splits in head and heel of paper covering of spine; o/w in good condition.
Editore: Monographias do Servico Geologico e Mineralogico do Brasil, Vol. VII, 1929, 53 pp. + map + figure., 1929
Da: Eryops Books, Stephenville, TX, U.S.A.
Soft Cover. Condizione: Good. ORIGINAL PUBLICATION; Softcovers; ex-library; light creasing of corners of wraps and pages; small splits in paper covering at head and tail of spine; chipped upper corner of front wrap; small light stain on fore-edge of first 6 leaves; o/w in good condition.