00542nam a22001817a 4500003000400000005001700004008004100021020001800062082002000080245007800100260004500178300002600223653001600249653002100265653002500286700002600311700002300337OSt20230524162123.0230524b        |||||||| |||| 00| 0 eng d  a9789401167390  222a338.1bIN3I  aInformation systems for agriculturecedited by M.J. Blackie and J.B. Dent  aLondonbApplied Science Publishersc1979  axii, 176p.bPaperback  aAgriculture  aEconomic aspects  aInformation services  aBlackie, M.J.eEditor  aDent, J.B.eEditor