USSPS 31405 29095 20442 01016 23015 21307 02011 22220 21305 03002 13505 11303 04001 17117 1/801 05004 17909 2/801 90035 43110 41302 93001 20711 1/801 94106 21017 44552 95023 12505 21310 98017 33209 22311 99001 41410 1/801 INAF-CATANIA ASTROPHYSICAL OBSERVATORY