TY  - BOOK
ED  - Conference on aerial surveys and integrated studies (1964 : Toulouse)
TI  - Proccedings
T2  - Natural resources series
U1  - "U18:M95(D:28)p1,N64, K8" 
PY  - 1968///
CY  - Paris
PB  - UNESCO       
KW  - Geography
ER  -