TY - RPRT TI - Organic geochemistry and sources of natural aquatic foams AU - M. S. Mills AU - E.M. Thurman AU - J. Ertel AU - Kevin A. Thorn PY - 2009 DO - 10.1021/bk-1996-0651.ch011 UR - https://pubs.usgs.gov/publication/70017744 ID - 70017744 ER -