TY - BOOK ED - United States. TI - Ensuring effective and reliable alerts and warnings: hearing before the Subcommittee on Emergency Preparedness, Response and Communications of the Committee on Homeland Security, House of Representatives, One Hundred Fifteenth Congress, second session, February 6, 2018 AV - KF27 .H5728 2018 PY - 2018/// CY - Washington PB - U.S. Government Publishing Office KW - Emergency communication systems KW - United States KW - Wireless communication systems KW - Technological innovations KW - Civil defense warning systems KW - Emergency management KW - Legislative hearings KW - lcgft N1 - "Serial no. 115-48."; CRDP Program record; Includes bibliographical references UR - http://purl.fdlp.gov/GPO/gpo106019 ER -