[1] KITT PEAK NATL OBSERV,NATL OPT ASTRON OBSERV,TUCSON,AZ 85726
[2] UNIV CALIF SANTA CRUZ,UNIV CALIF OBSERV,LICK OBSERV,BOARD STUDIES ASTRON & ASTROPHYS,SANTA CRUZ,CA 95064
[3] CARNEGIE INST WASHINGTON OBSERV,PASADENA,CA 91101
[4] CALTECH,EXTRAGALACT DATABASE INFRRED,PASADENA,CA 91125
[5] CALTECH,EXTRAGALACT DATABASE INFRARED PROC & ANAL CTR,IPAC,NASA,PASADENA,CA 91125
[6] KITT PEAK NATL OBSERV,NATL OPT ASTRON OBSERV,TUCSON,AZ 85726
[7] UNIV WASHINGTON,DEPT ASTRON,SEATTLE,WA 98195
[8] NEW MEXICO STATE UNIV,DEPT ASTRON,LAS CRUCES,NM 88003
[9] DOMINION ASTROPHYS OBSERV,VICTORIA,BC V8X 4M6,CANADA