University of Adelaide Gamma Ray Telescope at Woomera: New Developments Gregory, G. A. ; Patterson, R. J. ; Smith, I. N. ; Thornton, J. G. ; Roberts, M. ; Dowden, S. ; Wild, N. Abstract Publication: 21st International Cosmic Ray Conference (ICRC21) Pub Date: 1990 Bibcode: 1990ICRC....4..228G