ball Desmond and Babbage Ross. (1989). Geographic information systems: Defence applications. Pergamon.
Chicago Edition Citationball Desmond and Babbage Ross. Geographic Information Systems: Defence Applications. Australia: Pergamon, 1989.
MLA Edition Citationball Desmond and Babbage Ross. Geographic Information Systems: Defence Applications. Pergamon, 1989.
Warning: These citations may not always be 100% accurate.