TY - BOOK AU - Kepner,Robert Allen AU - Bainer,Roy AU - Barger,E.L. TI - Principles of Farm Machinery, 2nd edition/ (Acc: 503) SN - 0870551248 U1 - 631.36 KEP 22 PY - 1972/// CY - Westport, Conn. PB - Avi Pub. Co. KW - Agricultural machinery KW - Agricultural engineering ER -