Properties of a Large NaI(Tl) Spectrometer for the Energy Measurement of High-Energy Gamma Rays on the Gamma Ray Observatory von Hughes, E. B., Finman, L. C., Hofstadter, R., Lepetich, J. E., Lin, Y. C., Mattox, J. R., Nolan, P. L., Parks, R., Walker, A. H.

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Atmosphere Structure Instruments on the Four Pioneer Venus Entry Probes von Seiff, Alvin, Juergens, David W., Lepetich, Joseph E.

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Structure of the Atmosphere of Venus up to 110 Kilometers: Preliminary Results from the Four Pioneer Venus Entry Probes von Seiff, Alvin, Kirk, Donn B., Sommer, Simon C., Young, Richard E., Blanchard, Robert C., Juergens, David W., Lepetich, Joseph E., Intrieri, Peter F., Findlay, John T., Derr, John S.

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