REFERENCES (continued)
E.E. Held, S.P. Gessel, L.J. Matson and R.F. Billings.
Autoradiography of Sectioned Soil Cores.
Proceedings of
the Symposium on Radioisotope Sample Measurement Techniques
in Medicine and Biology,
I.A.E.A.
(1965).
(In Press)
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