TY - RPRT TI - A five-collector system for the simultaneous measurement of argon isotope ratios in a static mass spectrometer AU - J. S. Stacey AU - N.D. Sherrill AU - G. B. Dalrymple AU - M. A. Lanphere AU - N.V. Carpenter PY - 1981 DO - 10.1016/0020-7381(81)80031-9 UR - https://pubs.usgs.gov/publication/70012017 ID - 70012017 ER -