TY - RPRT TI - Origin of caves and other solution openings in the unsaturated (vadose) zone of carbonate rocks: A model for CO2 generation AU - W.W. Wood PY - 1985 DO - 10.1130/0091-7613(1985)13<822:oocaos>2.0.co;2 UR - https://pubs.usgs.gov/publication/70013076 ID - 70013076 ER -