Gmelin, Leopold: Vanadium, Niob, Tantal : Register. 8. Verlag Chemie, 1973. 352 S. Hardcover. Versand aus Deutschland / We dispatch from Germany via Air Mail. Einband bestoßen, daher Mängelexemplar gestempelt, sonst sehr guter Zustand. Imperfect copy due to slightly bumped cover, apart from this in very good condition. Stamped.