TY - RPRT TI - Comment on "Mid-ocean ridge popping rocks: implications for degassing at ridge crests" by P. Sarda and D. Graham AU - T.M. Gerlach PY - 1991 DO - 10.1016/0012-821x(91)90193-l UR - https://pubs.usgs.gov/publication/70016633 ID - 70016633 ER -