00306nam a2200109Ia 450000500170000000800410001708200150005810000140007324500660008726000350015330000080018820260224041019.0260224s9999||||xx |||||||||||||| ||und||  a338.16 HOG  aHogg, D.  0aTechnological change in agriculture locking in to genetic….  aBasingstoke : Macmillansc2000  a296