Editore: Hermann Hubener Verlag K.G., Goslar, Germany, 1962
Da: Xochi's Bookstore & Gallery, Truth or consequences, NM, U.S.A.
Paper Back. Condizione: Very Good. No Jacket. 57pp.+32pgs.adverts; SC blue w/blk.&white; some rub w/clean,tight pgs. Title trans: "The Mining Sciences: Organ for the Whole Mining Industry and its Border Areas" illus. in German.