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Measurments of Cosmic-Ray Air Shower Development at Energies above 1017 eV
Cassiday, G.L. et al.1990, Ap.J., 356,669.

A Coarse-Grain Search for Anisotropy in the Arrival Directions of Cosmic Rays above 1017 eV
Cassiday, G.L. et al.1990, Ap.J., 351,454.

Cygnus X-3 Results from the Utah Cherenkov Array
Cassiday, G.L. et al.1990, ICRC, 2,14.

A Search for 10^18 eV Point Sources, Including Cygnus X-3
Cassiday, G.L. et al.1990, ICRC, 2,60.

Hercules X-1 Results From the Utah Cherenkov Array
Ciampa, D. et al.1990, ICRC, 2,114.

A Study of CYG X-3, HER X-1 and the Crab Nebula for Gamma Ray Emissions Above 7X10^18 eV
Ko, S. et al.1990, ICRC, 2,131.

Observation on Air Showers in the Size Regions 10^5 to 10^7 at Beijing
Tan, Y.H. et al.1990, ICRC, 3,142.

Fly's Eye Measurement of the Cosmic Ray Composition Above 10^17 eV
Cassiday, G.L. et al.1990, ICRC, 3,154.

Energy Spectrum of Primary Cosmic Rays Above 10^17 eV Obtained Using Akeno 20KM^2 Array
Teshima, M. et al.1990, ICRC, 3,158.

The Ultra High Energy Cosmic Ray Spectrum
Cassiday, G.L. et al.1990, ICRC, 3,163.

A Coarse-Grain Anisotropy Study of Cosmic Rays Above 10^17 eV
Cassiday, G.L. et al.1990, ICRC, 3,196.

The Proton Air InElastic Cross Section at E=0.3Eev
Cassiday, G.L. et al.1990, ICRC, 8,46.

A Contradiction in the Concept of Shower Age
Dai, H.Y. et al.1990, ICRC, 9,5.

The Muon Content of Extensive Air Showers with E>= 2X10^17 eV
Cassiday, G.L. et al.1990, ICRC, 9,118.

Simulation of Arrival Time Distribution of Shower Particles at Large Distances from Core
Dai, H.Y. et al.1990, ICRC, 9,167.

New Limits on the Flux of Deeply Penetrating Particles at the Fly's Eye
Corbato, S.C. et al.1990, ICRC, 10,35.

The Hires Fly's Eye Project
Cassiday, D.L. et al.1990, ICRC, 10,244.

The Air Shower Array in Biejing
Tan, Y.H. et al.1990, ICRC, 10,286.

Search for >200 TeV photons from Cygnus X-3 in 1988 and 1989
Cassiday, G.L. et al.1990, Phys. Rev., 42,281.

Neutral Particles from Cygnus X-3 above 5x1017 eV
Teshima, M. et al.1990, Phys. Rev., 64,1628.


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