TY - BOOK TI - Agricultural Engineer' s hand book U1 - 63:62(02) K1 PY - 1961/// CY - New York PB - Mc Graw-Hill KW - C.B.Richey, Paul Jacobson (and) Carl W.Hall. KW - Jacobson, Paul, ed. KW - Richey, C.B., ed. KW - Agricultural engineers-hand books ER -