1Iftikhar Ahmed,Franklyn Greenaway.GIS Application for Land Planning and Management in Montserrat[A].West Indies.Proceedings of the Open Source GIS-GRASS Users Conference 2004-Trento[C].Italy 11-13 September 2004.
2Michael T McNerney.The State -of-the -art in Airport Infrastructure Management Using Geographical Information System[A].A Paper Submitted for Presentation at the Annual Meeting of the Transportation Research Board[C].Washington,D C,January 2005.
