000 00276nam a22000977a 4500
008 240604b |||||||| |||| 00| 0 eng d
022 _a0213-635X
040 _aNational Science Library
_cNational Science Library
245 _aInvestigacion agraria:
_bEconomia
942 _cCR
_2udc
999 _c63087
_d63087