TY  - GEN
AU  - Medhat Hosny Abdelmotaleb
AU  - Elsayed Abdelhay Khatar , 
AU  - Mahmoud Mohamed Shendi , 
TI  - Contribution of geographic information systems for studying some environmental problems in El Fayoum Governorate , Egypt / 
PY  - 2002///
CY  - Cairo : 
PB  - Medhat Hosny Abdelmotaleb , 
KW  - Environmental problems
KW  - Geographic information systems
N1  - Thesis (Ph.D.) - Cairo University - Faculty Of Agriculture - Department Of Soil Science
UR  - http://172.23.153.220/th.pdf
ER  -