TY - RPRT TI - Oxygen isotope composition of subglacially precipitated calcite: Possible paleoclimatic implications AU - B.B. Hanshaw AU - B. Hallet PY - 1978 DO - 10.1126/science.200.4347.1267 UR - https://pubs.usgs.gov/publication/70207277 ID - 70207277 ER -