000 00527nam a22001937a 4500
999 _c5954
_d5954
003 OSt
005 20190201080222.0
008 190201b xxu||||| |||| 00| 0 eng d
040 _aBFFZ
080 _a630.1 DRE
100 _aDREGNE, Harold E.
245 _aArid lands in transition
260 _aAmerica
_bAmerican Association for the advancement of science Washington, D.C.
_c1970
300 _a524 p.
650 0 _910068
_aTIERRAS
650 0 _93615
_aZONAS ARIDAS
650 0 _911835
_aTRANSICION
942 _2udc
_cBK