TY - BOOK AU - Parfomak, Paul W ED - Congressional Research Service, CRS. Library of Congress, LC TI - Guarding America : security guards and U.S. critical infrastructure protection T2 - CRS report, RL32670 PY - 2004/// CY - Washington, DC KW - USA KW - national security KW - protection KW - infrastructure KW - security guards UR - http://www.fas.org/sgp/crs/RL32670.pdf ER -