Farm implements for arid and tropical regions
By: prepared by H. J. Hopfen.
Edition: Revised ed.
Series: Agricultural development paper -- no.91.
Publisher: Food & Agriculture Organisation; H.M.S.O
Published: 1969
Place of publication: Rome; London
Language: eng
Number of pages: 159
Subjects: Agricultural implements; Agriculture -- Tropics; Arid regions
Notes: Previous ed. (B62-3104) 1960.

bibl p147-150.