TY - RPRT TI - Frequency-domain Green's functions for radar waves in heterogeneous 2.5D media AU - K.J. Ellefsen AU - D. Croize AU - A.T. Mazzella AU - J.R. McKenna PY - 2009 DO - 10.1190/1.1444055 UR - https://pubs.usgs.gov/publication/70034716 ID - 70034716 ER -