New upper limit for the branching ratio of the 'OMEGA POT.-''SETA''KSI POT.-''GAMA' radiative decay - Albuquerque, J F; Bondar, N F; Carrigan Junior, R; Chen, D; Cooper, P S; Lisheng, D A I; Denisov, A S; Dobrovolsky, A V; Dubbs, T; Endler, A M F; Escobar, Carlos Ourívio; Foucher, M (Physical Review D, 1994)