PDF (7 Pages): RUSI Journal (February 2004)
Phi Beta Iota: This is the first Open Source Intelligence (OSINT) overview we have seen, by someone other than one of the OSINT Masters from 1992-2006, that is fully competent.
See Also:
2008 Open Source Intelligence (Strategic)
2008 Open Source Intelligence (Operational)
Hamilton Bean, No More Secrets: Open Source Information and the Reshaping of U.S. Intelligence (Praeger, 2011)