TY - RPRT TI - Fluid inclusions in quartz crystals from South-West Africa AU - K.A. Kvenvolden AU - E. Roedder PY - 1971 DO - 10.1016/0016-7037(71)90112-8 UR - https://pubs.usgs.gov/publication/70010307 ID - 70010307 ER -