Index of /sp_phys/data/ulysses/gas/is_helium/ps/1992

• ga92017_1_2.ps
• ga92017_1_i1.ps
• ga92017_2_2.ps
• ga92017_2_i1.ps
• ga92018_1_1.ps
• ga92018_2_1.ps
• ga92318_1_3.ps
• ga92318_2_3.ps