TY  - BOOK
TI  - Development and environment: report and working paper of a panel of experts on the human environment
U1  - 304.2 
PY  - 1972///
CY  - Paris
PB  - UN
KW  - Social Sciences
N1  - Development and environment. Report and working paper of a panel of exports on the human  environment. paris : U. N. O., 1972
ER  -