Editore: Observatoire de Haute-Provence, 1951
Da: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condizione: Good. ORIGINAL reprint/offprint/Extrait of journal article; no covers; small chips along gutter where disbound from larger publication; browning of leaves; o/w in good condition. Journal.
Editore: Academie des Sciences, 1968
Da: Eryops Books, Stephenville, TX, U.S.A.
Soft cover. Condizione: Very Good. ORIGINAL reprint/offprint/Extrait of journal article; softcovers; disbound from larger publication; o/w in very good condition. Journal.