Carbon-14 Vernon F. Raaen, Gus A. Ropp [and] Helen P. Raaen. Raaen, Vernon F. Ropp, Gus A. Raaen, Helen P. Carbon Isotopes. QD466.5.C1 R27 546.681 RAC Includes bibliographies. New York, McGraw-Hill c1968. c1968. 1967 Text 388 p. : eng McGraw-Hill series in advanced chemistry