RT Article T1 Dating the Past with Radiocarbon JF Blackfriars VO 35 IS 414 SP 375 OP 378 A1 Hodgson, P. E. LA English YR 1954 UL https://www.ixtheo.de/Record/1780620268 DO 10.1111/j.1741-2005.1954.tb01994.x