Recent data on lead isotope measurements

Compston, 1969, J. Geophys. Res., 74, 4338, 10.1029/JB074i017p04338 Todt, 1983, Terra Cognita, 3, 140 Platzner, 1985, Int. J. Mass Spectrom. Ion Processes, 67, 129, 10.1016/0168-1176(85)80012-4 A. Starinsky, G. Steinitz and I. Platzner, supported by The Israel Academy of Sciences and Humanities Hamelin, 1985, Geochim. Cosmochim. Acta, 49, 173, 10.1016/0016-7037(85)90202-9 Tuttas, 1982, Finnigan MAT Application Note No. 51 Gulson, 1984, Int. J. Mass Spectrom. Ion Processes, 59, 125, 10.1016/0168-1176(84)85090-9 Willy Fisher KG, Frankfurt, F.R.G. P. Taylor, Department of Geology and Mineralogy, University of Oxford, private communication, 1984 Barnes, 1973, Anal. Chem., 45, 1881, 10.1021/ac60333a016 E. Merck, Darmstadt, F.R.G., Silica Gel 60HR Extra Pure Catanzaro, 1968, J. Res. Natl. Bur. Stand., 72A, 261, 10.6028/jres.072A.025