TY - RPRT TI - Search systems and computer-implemented search methods AU - Payne, Deborah A. AU - Burtner, Edwin R. AU - Bohn, Shawn J. AU - Hampton, Shawn D. AU - Gillen, David S. AU - Henry, Michael J. PY - 2015 UR - https://www.osti.gov/biblio/1233580 ID - 1233580 ER -