00292nam a22001097a 4500020001800000040000900018082001700027100002200044245003500066260003500101650004600136  a9783030328061  cNUST  a629.2252 REN  a Renius, Karl Th.  aFundamentals of Tractor Design  aSWITZERLAND:bSPRINGER,c2020.  aFundamentals of Tractor Design.NUSTTB2022