TY  - BOOK
AU  - 
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 9231014013
SN  - 2
PY  - 1977///46
CY  - Paris
PB  - Unesco
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Congresses
KW  - Environmental education
N1  - Revisions of papers originally presented at an international workshop held in Belgrade, October 13-22, 1975; Includes bibliographies; 5
ER  -