A. Stephen Morse Steven X. Ding Paul Martin Frank Ralf Seliger Felipe M. Pait Hassan Hammouri Michel Kinnaert El Hassane El Yaagoubi Discussion on: 'Fault Detection and Isolation for State Affine Systems' by H. Hammouri, M. Kinnaert and H. EI Yaagoubi. 17-21 1998 4 Eur. J. Control 1 https://doi.org/10.1016/S0947-3580(98)70096-2 db/journals/ejcon/ejcon4.html#MorseDFSPHKY98