A search of the northern sky for ultra-high-energy point sources
The Astrophysical Journal American Astronomical Society 383 (1991) l53
Observation of shadowing of ultrahigh-energy cosmic rays by the Moon and the Sun.
Physical review. D, Particles and fields 43:5 (1991) 1735-1738
Phase coherence for TeV/PeV binary sources
The Astrophysical Journal American Astronomical Society 369 (1991) 479
Study of Cygnus X-3 at ultrahigh energies during the 1989 radio outbursts.
Physical review letters 64:25 (1990) 2973-2975
The status of the CYGNUS experiment: Past, present, and future
Nuclear and Particle Physics Proceedings Elsevier 14:1 (1990) 244-249