TY  - RPRT
TI  - User's manual for 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/ofr85141
UR  - https://pubs.usgs.gov/publication/ofr85141
ID  - ofr85141
ER  -