Witney, Brian, 1938- Choosing and using farm machines / Brian Witney - Harlow : Longman Scientific & Technical, 1988 - xix, 412 p : ill ; 22 cm Includes bibliography ISBN: 0582456002 Source: B14668 Nat. Bib. No.: GB-8803633 Subjects--Topical Terms: Agricultural machinery LC Class. No.: S675 / .W57 1988 Dewey Class. No.: 631.3 Universal Decimal Class. No.: 631.3