NEW AGE DETERMINATIONS BY THE LEAD METHOD.Published in:Annals of the New York Academy of Sciences, 1955, v. 60, n. 3, p. 511, doi. 10.1111/j.1749-6632.1954.tb40048.xBy:Kulp, J. Laurence;Bate, George L.;Giletti, Bruno J.Publication type:Article