TY  - BOOK
ED  - United Nations Economic Commission for Africa
TI  - UN/ECA seminar on remote sensing applications and satellite communications for education and development, Addis Ababa, March 11-19, 1981
AV  - IRA G70.4.U5 
PY  - 1981///
CY  - Addis Ababa
KW  - Remote sensing
KW  - Congresses
KW  - Aerial reconnaissance
N1  - Includes bibliographical references

ER  -