Libby, Willard F.
Radiocarbon dating. - [2d ed.] - Chicago, University of Chicago Press [1955] - 175 p. illus. 24 cm.
55010246 /L
GB55-12567
Radiocarbon dating.
541.388 / LIR
Radiocarbon dating. - [2d ed.] - Chicago, University of Chicago Press [1955] - 175 p. illus. 24 cm.
55010246 /L
GB55-12567
Radiocarbon dating.
541.388 / LIR