References
- Azmoodeh Ardalan Alireza , Majraei Hamid, Taghavi Seid Vahid ,etal. 1378, 揟he Articles About Geographic Information System? Geographic and Army Organization , Pages 19,18.
- Jandaghi Alaei Abbasali, Safaye kafash Abbas ,mousavi Azadeh, Moradi soluoshi Bahram ,Mansoori Davood, 1383, 揇oing Pilot Project and Implementation of Iranian Railway GIS? proceeding of International of Railway conference ,Sanati Sharif University, Tehran, IRAN.
- Najafi Asadollah , Moghaddam Nasrollah,1380, 揝urveying, The Application of GIS In Railway Transportation? proceeding of Geomatic conference 80, National Cartography Center of Iran page 208.
- Halivoodian, Korilinous Sara, Karor Stive, 1381, 擨ntroduction of Geographical Information System? National Cartography Center of Iran
- Aronoff , Stanleg , 1989 , ?Geographic Information System : A Management Perspective ?, WDL publication , ottawa , canada.
- Lynn Fenwick , Engineers can ?walk the Track ?Without ever leaving their office , TRACK & SIGNAL Magazine , April , may , June 2002 , pages80,81.
- scianna A., villa B., Ammoscato A., corsale R., 揗ulti media Guide in Archaeological Sites by GIS/GPS Techniques pocketpcs and pocket GPSs ?.
- k.Berry Joseph, 揅apturing , Where and when on Video?GeoWorld Online issues , sep. and oct. 2000 , Vol.13, No. 9-10
- Http://omnieng.co.uk






