... Acta 14, 134 (1958). 60. Cannon, RS, AP Pierce, JC Antweiler, and KL Buck: The data of lead isotope geology related to problems of ore genesis. Econ. Geol. ... 177. Glover, MJ, and GF Philips: Chemical methods for the dating of fossils. J. appl. Chem. 15, 570 (1965). 178. ...