TY - BOOK ED - National Research Council (U.S.). ED - ebrary, Inc. TI - An evaluation of the U.S. Navy's extremely low frequency communications system ecological monitoring program AV - QH545.E42 N38 1997eb U1 - 577.27 21 PY - 1997/// CY - Washington, D.C. PB - National Academy Press KW - ELF electromagnetic fields KW - Environmental aspects KW - Environmental monitoring KW - Electronic books KW - local N1 - Contains conclusions and recommendations; Includes bibliographical referencees (p. 148-152); Electronic reproduction; Palo Alto, Calif.; ebrary; 2013; Available via World Wide Web; Access may be limited to ebrary affiliated libraries UR - http://site.ebrary.com/lib/rucke/Doc?id=10055127 ER -