000 00683nam a22001937a 4500
999 _c73545
_d73545
003 BD-DhPL
005 20190924045952.0
008 190112b ||||| |||| 00| 0 eng d
040 _aBD-DhPL
_beng
_cBD-DhPL
_dBD-DhPL
082 _a500 / U3u
110 _aUNESCO.
_9264578
245 _aUse and conservation of the biosphere :
_bproceedings of the Intergovernmental Conference of Experts on the scientific basis for rational use and conservation of the resources of the biosphere Paris, 4-13 Sept. 1968.
260 _aLiège :
_bUnesco,
_cc 1970.
300 _a272 p. ;
_c23 cm.
500 _aIncludes index.
508 _a323
650 _aBiosphere
_9264579
942 _2ddc
_cBK