prism12.zip 490717 04-25-98 Prism: Processes mass and other spectral data ptch_293.zip 273045 05-18-98 Patchit: Scientific data acquisition program saalr100.zip 48479 10-06-98 LR analysis of data acquired by SpectrAA GFAA tack_383.zip 344679 05-18-98 Tack: Scientific data analysis program