00290nam a2200109Ia 450000500170000000800410001708200160005810000150007424500480008926000350013730000080017220260224041045.0260224s9999||||xx |||||||||||||| ||und||  a630.058 DIG  aDigby, M.  0aYear book of agricultural co-operation 1971  aOxford: Blasil Blackwellc1969  a322