Tentative Observation of a Sidereal Anisotropy Near 1500 GeV
Bergeson, H.E. et al.1979, ICRC, 4,188.

The Application of Digital Signal Processing Methods to Cosmic Ray Anisotropy Data
Bergeson, H.E. et al.1979, ICRC, 4,194.

Cosmic Ray Multiple Muon Events in Deep Detectors
Elbert, J.W. 1979, ICRC, 10,405.