Editore: Norges Geologiske Undersokelse Nr. 316, 1975, 376 Pp., 1975
Da: Eryops Books, Stephenville, TX, U.S.A.
Soft Cover. Condizione: Very Good. Softcovers; ex-corporate library; minor shelfwear w/ light creasing of wraps and small creases at corners of leaves; o/w in very good condition.
Data di pubblicazione: 1957
Da: Xerxes Fine and Rare Books and Documents, Glen Head, NY, U.S.A.
Condizione: VG. Bergen 1957 Griegs. 4to., 28pp., 6 figures, 8 tables and 1 plate, later wraps. VG.