REFERENCES
Lowler, W. M., Beck, H. L., and Condon, W. J.
The Spectrometric Determination of Dose Rates from Natural
and Fallout Gamma Radiation in the United States,
1962-63
or his
We also
Nature, 202, 745-749 (1964)
ms of Rice
Lowder, W. M., Condon, W. J., and Beck, H. L.
Field Spectrometric Investigations of Environmental Radiation
in the USA
Adams, J. A. S. and Lowder, W. M. (Editors)
Natural Radiation Environment
ce Radiation
' York Univer-f
on experiments
Univ.
of Chicago Press, Chicago (1964)
Beck, H. L., Condon, W. J. and Lowder, W. M.
Spectrometric Techniques for Measuring Environmental Gamma
Radiation
USAEC Report HASL-150, October
(1964)
Beck, H. L., Condon, W. J. and Lowder, W. M.
Environmental Radiation Measurements in the Southeastern,
Central, and Western United States
USAEC Report HASL-145, April
Lowder, W.
M.
and Beck,
H.
(1964).
L.
Cosmic Ray Ionization in the Lower Atmosphere
(to be published)
Beck,
H.
L.
Environmental Gamma Radiation from Deposited Fission Products,
1960-1964
Health Physics, 12, 313-322 (1966)
Pinkau,
K.
Errors in Electromagnetic Cascade Measurements Due to the
Transition Effect
Phys. Rev., 139:B,
Liboff,
1548-1555
A.
private communication
FOE Sy ms = agra *
(1965)