ebook,Bill. Butterworth,Farm Tractors: The Case Guide to Tractor Selection, Operation, Economics and Servicing,Springer,C,Educational: Sciences, general science,Geisteswissenschaften allgemein,General,History,Interdisciplinary studies,Pet; agriculture; crops; development; hydraulics; information; population; statistics; system; tractor; transport,Pet;agriculture;crops;development;hydraulics;information;population;statistics;system;tractor;transport,Reference/General,SCIENCE / General,Science,Science, Humanities and Social Sciences, multidisciplinary,Science/Mathematics,General,Reference/General,SCIENCE / General,Science/Mathematics,Educational: Sciences, general science,Geisteswissenschaften allgemein" />