00294nam a2200109Ia 450000500170000000800410001708200140005810000170007224500570008926000300014630000080017620260224041035.0260224s9999||||xx |||||||||||||| ||und||  a631.3 BOS  aBosoi, E.S.  0aTheory construction & calculations of agri. machines  aRotterdam : Balkemac1991  a810