Farm implements for arid and tropical regions /
Hopfen, Hans Joachim.
Farm implements for arid and tropical regions / H. J. Hopfen. - Rev. ed. - Rome, Food and Agriculture Organization of the United Nations, 1969. - xii, 159 p. : ill. : 23 cm. - FAO agricultural development paper ; no. 91 .
Includes bibliographical references
73586274
It***
Agricultural implements.
S401.U6 / A13 no. 91
631.3 / HOP
Farm implements for arid and tropical regions / H. J. Hopfen. - Rev. ed. - Rome, Food and Agriculture Organization of the United Nations, 1969. - xii, 159 p. : ill. : 23 cm. - FAO agricultural development paper ; no. 91 .
Includes bibliographical references
73586274
It***
Agricultural implements.
S401.U6 / A13 no. 91
631.3 / HOP