TY  - JOUR
AU  - Fallah tabar, Nasr Allah
AU  - , 
TI  - Passive defense, the secret of security in the range of of urbans and rurals country (With emphasis on rural and urban architecture)
JO  - Geography
VL  - 15
IS  - 54
SP  - 0
EP  - 0
PY  - 2017
DO  - 
ER  -