TY - BOOK AU - H.F. McColly AU - J.W. Martin, TI - Introduction to agricultural engineering U1 - 631.3 PY - 1955/// CY - New York PB - Mc Graw Hill Book Co N1 - H.F. McColly & J.W. Martin: Introduction to agricultural engineering. (Int.Student Ed) New York. Mc Graw Hill Book Co, 1955.--(631.3MCC) ER -