Farm implements for arid and tropical regions,
Hopfen, Hans Joachim.
Farm implements for arid and tropical regions, prepared by H. J. Hopfen. - Rev. ed. - Rome, Food and Agriculture Organization of the United Nations, 1976. - xii, 159 p. : illus., 23 cm. - FAO agricultural development paper ; no. 91 .
Bibliography: p. [147]-150.
73586274
Agricultural implements.
S401.U6 / A13 no. 91
630 / FOF 1976
Farm implements for arid and tropical regions, prepared by H. J. Hopfen. - Rev. ed. - Rome, Food and Agriculture Organization of the United Nations, 1976. - xii, 159 p. : illus., 23 cm. - FAO agricultural development paper ; no. 91 .
Bibliography: p. [147]-150.
73586274
Agricultural implements.
S401.U6 / A13 no. 91
630 / FOF 1976