TY - RPRT TI - C13 and O18 compositions in some fresh-water carbonates associated with ultramafic rocks and serpentinites: Western United States AU - J. R. O’Neil AU - I. Barnes PY - 1971 DO - 10.1016/0016-7037(71)90067-6 UR - https://pubs.usgs.gov/publication/70010381 ID - 70010381 ER -