00511nam a2200193Ia 4500 170901s1982 xx 000 0 und d 087055252X 631.3 K47P Kepner, R.A Principles of Farm Machinery 3 Westport AVI Publishing Co. Inc 1982 528 Agriculture and related technologies Technology (Applied sciences) Bainer, Roy Barger, E.L ddc BK 4 19977 19977 0 0 ddc 0 0 RAU RAU 2018-10-25 7 631.3 K47P 56878 2021-03-22 2021-03-08 2018-10-25 BK