00300nam a2200109Ia 450000500170000000800410001708200140005810000170007224500460008926000470013530000080018220260225044835.0260224s9999||||xx |||||||||||||| ||und||  a631.3 KEP  aR.A. Kepner  0aPrinciples of farm machinery 3rd edition   aIndia: CBS Publishers & Distributor c1987  a527