TY  - BOOK
AU  - U.N.E.S.C.O.
TI  - Use and conservation of the biosphere:Proc. Conf. of experts on the scientific basis for rational use , conservation of the resources of the biosphere paris 4-13 Sept. 1968
U1  - 574.52 
PY  - 1970///
CY  - Paris
PB  - UNESCO
KW  - Environment
ER  -