TY - RPRT TI - MASSPEC; a PC program to control and to process data from an automated mass spectrometer AU - R. C. Bigelow AU - R. B. Vaughn AU - S. E. Church PY - 1999 DO - 10.3133/ofr99161 UR - https://pubs.usgs.gov/publication/ofr99161 ID - ofr99161 ER -