01989 American Control Conference > 1989 > 2469 - 2474
01989 American Control Conference > 1989 > 2257 - 2262
01989 American Control Conference > 1989 > 2453 - 2458
01989 American Control Conference > 1989 > 1105 - 1110
01989 American Control Conference > 1989 > 1040 - 1045