00694cam a22002051 4500 med47000303 DLC 20260227111558.0 741206s1946 xx 000 0 eng med47000303 (OCoLC)1100807 DLC MBNU OClW-H DLC premarc QD466 .P7 Preparation and measurement of isotopic tracers; a symposium prepared for the Isotope research group [by] D. Wright Wilson, A. O. C. Nier [and] Stanley P. Reimann. Ann Arbor, Mich., Edwards, 1946. vii, 108 p. illus. 24 cm. Isotopes. Wilson, D. Wright (David Wright), 1889-1965. 38030 38030