000 00563nam a22001937a 4500
003 OSt
005 20170411085151.0
008 170411b xxu||||| |||| 00| 0 eng d
020 _a0-444-41759-1
040 _aBC
080 _a574.4 WAL Vol.7
100 _aWALKER, B. H.
245 _aManagement of semi-arid ecosystems. Vol.7
260 _aAmsterdam
_bElsevier Scientific Publishing Company
_c1979
300 _a398 p.
490 _aDevelopments in agricultural and Managed- Forest Ecology
650 0 _93850
_aECOSISTEMAS SEMIARIDOS
942 _2udc
_cBK
999 _c1873
_d1873