01006pam a2200301 a 45000010008000000030008000080050017000160080041000330100017000740200015000910400027001060500025001330820013001581000023001712450064001942500012002582600060002703000035003303650016003655000020003815040030004016500026004317400026004579060045004839420012005289990017005409520147005571018934BD-DhUL20150113100721.0880113s1988    enka     b    001 0 eng    a   88000385   a1851661913  aDLCcDLCdDLCdBD-DhUL00aS494.5.S95bS64 198800a630bSPI1 aSpedding, C. R. W.13aAn introduction to agricultural systems /cC.R.W. Spedding.  a2nd ed.  aLondon ;aNew York :bElsevier Applied Science :c1988.  aviii, 189 p. :bill. ;c23 cm.  aGBP.b22.50  aIncludes index.  aBibliography: p. 178-184. 0aAgricultural systems.0 aAgricultural systems.  a7bcbccorignewd1eocipf19gy-gencatlg  2ddccBK  c30069d30069  00102ddc406630_000000000000000_SPI708NFIC957019aDUSLbDUSLcGENd1990-03-14ePurchasedo630 SPIpA330092r2015-01-13t2w2015-01-13yBK