TY - RPRT TI - Emulsification of hydrocarbons by subsurface bacteria AU - D.S. Francy AU - J. M. Thomas AU - R.L. Raymond AU - C.H. Ward PY - 1991 DO - 10.1007/bf01576061 UR - https://pubs.usgs.gov/publication/70016515 ID - 70016515 ER -