Comment on Z.A Stos-Gale, N.H. Gales, N. Annetts, T.Todorov, P. Lilov, A. Raduncheva and I. Panayotov, 'Lead Isotope Data from the Isotrace Laboratory, Oxford, Archaeometry Data Base 5, Ores from Bulgaria'
Bg. Amov, Comment on Z.A Stos-Gale, N.H. Gales, N. Annetts, T.Todorov, P. Lilov, A. Raduncheva and I. Panayotov, 'Lead Isotope Data from the Isotrace Laboratory, Oxford, Archaeometry Data Base 5, Ores from Bulgaria', ARCHAEOMETR, 42, 2000, pp. 237-241