00337nam a2200109Ia 4500008004100000022001400041245003600055260006200091310000600153500003300159500003500192220214s9999    xx            000 0 und d  a0065-4477 0aAGRICULTURAL ENGINEERS YEARBOOK  bAmerican Society of Agricultural Engineers, MichigenaUSA  aA  aEnding Volume & Year: 1984,   aStarting Volume & Year: 1975,