TY - RPRT TI - Interpretation of discordant 40Ar/39Ar age-spectra of mesozoic tholeiites from Antarctica AU - R.J. Fleck AU - J. F. Sutter AU - D.H. Elliot PY - 1977 DO - 10.1016/0016-7037(77)90184-3 UR - https://pubs.usgs.gov/publication/70010861 ID - 70010861 ER -