http://www.acm.org/search?SearchableText=warfare
http://www.acm.org/search?SearchableText=defense
http://www.acm.org/search?SearchableText=SIGINT
http://www.acm.org/search?SearchableText=HUMINT
http://www.acm.org/search?SearchableText=COMINT
http://www.acm.org/search?SearchableText=IMINT
http://images.google.com/images?hl=en&q=electronic+warfare&gbv=2
http://images.google.com/images?gbv=2&hl=en&q=military+defense

 

http://scholar.google.ca/scholar?q=SIGINT&hl=en&lr=
http://scholar.google.ca/scholar?hl=en&lr=&q=OSINT
http://scholar.google.ca/scholar?hl=en&lr=&q=HUMINT
http://scholar.google.ca/scholar?hl=en&lr=&q=COMINT
http://scholar.google.ca/scholar?hl=en&lr=&q=MASINT
http://scholar.google.ca/scholar?hl=en&lr=&q=ELINT
http://scholar.google.ca/scholar?hl=en&lr=&q=GEOINT
http://books.google.com/books?q=HUMINT
http://books.google.com/books?q=HUMINT+chip
http://www.google.ca/search?hl=en&q=HUMINT+chip&meta=
http://books.google.com/books?q=COMINT
http://books.google.com/books?q=ELINT
http://books.google.com/books?q=IMINT
http://books.google.com/books?q=OSINT
http://books.google.com/books?q=GEOINT
http://books.google.com/books?q=MASINT
http://books.google.com/books?q=Open+Source+Intelligence
http://books.google.com/books?q=Communications+Intelligence
http://books.google.com/books?q=Electronic+Intelligence+ELINT
http://books.google.com/books?q=Imagery+Intelligence
http://books.google.com/books?q=Measurement+and+Signals+Intelligence+MASINT
http://books.google.com/books?q=Geospatial+Intelligence