Proceedings article published in 1994 by B.~M Peterson , D. Alloin, P. Barr, J. Clavel, R.~D Cohen, D.~M Crenshaw, I.~N Evans, A.~P Koratkar, K.~T Korista, K. Horne, G.~A Kriss, J.~H Krolik, M.~A Malkan, S.~L Morris, H. Netzer and other authors. B.~M Peterson , D. Alloin, P. Barr, J. Clavel, R.~D Cohen, D.~M Crenshaw, I.~N Evans, A.~P Koratkar, K.~T Korista, K. Horne, G.~A Kriss, J.~H Krolik, M.~A Malkan, S.~L Morris, H. Netzer, P.~T O'Brien, G.~A Reichert, P.~M Rodriguez-Pascual, W. Wamsteker

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