TY - RPRT TI - Program list of ANALYST, a computer program for control of an Isomass 54E thermal-ionization, single-collector mass-spectrometer AU - K.R. Ludwig PY - 1985 DO - 10.3133/ofr85142 UR - https://pubs.usgs.gov/publication/ofr85142 ID - ofr85142 ER -