000 01093nam a22003377a 4500
003 CHAP
005 20220329142059.0
008 990601d1991 mx bd r 00010 spa d
010 _a78091
011 _a79063
020 _a0 471 934178
035 _a89200
040 _cCHAP
082 0 4 _a338.9
_bT72
100 0 0 _aTripp, Robert.
_9115176
245 1 0 _aPlanned change in farming systaems :
_bprogress in on-farm research
_c/ed. by Robert Tripp
260 _aChichester, England :
_bWiley & Sons,
_c1991.
300 _a348 p. :
500 _agráfs. ; mapas ; tablas ; diags.
590 _aBATCH-UPD
_b10
_c20130110
_lUCH01
_h1902
590 _aBATCH-UPD
_b10
_c20130410
_lUCH01
_h1230
590 _aBATCH-UPD
_b10
_c20130914
_lUCH01
_h1929
590 _aBATCH-UPD
_b10
_c20140805
_lUCH01
_h1147
590 _aCONVERSION
_b10
_c20130109
_lUCH01
_h1343
650 1 4 _aAgricultura
_xInvestigación.
_91577
650 1 4 _aPolítica agrícola.
_990283
901 _aBK
905 _aAlejandra Carrasco M.
942 _cLIBRO
949 _a338.9 T72
_bBC
_cLIBRO
_d33724000725586
_eLIBRO
_h94363
_i89200
_sb
999 _c78091
_d78091