TY  - GEN
AU  - Attif Abdeltawab Awad Alla
TI  - Studies on the main soil pedogenic aspects in El fayoum depression as related to the dominant soil formation processes / 
PY  - 1998///
CY  - Cairo : 
PB  - Attif Abdeltawab Awad Alla , 
N1  - Thesis(Ph.D.) - Cairo University - Faculty of Agriculture - Department of Soil Science
UR  - http://172.23.153.220/th.pdf
ER  -