Development of airborne equipment to intensify world food production /
Economic Commission for Europe.
- New York : United Nations, 1981.
- x, 218 p. : ill. ; 30 cm.
$16.00 (pbk.)
Aeronautics in agriculture.
S494.5.A3 / D48 1981
631.3/7�19
$16.00 (pbk.)
Aeronautics in agriculture.
S494.5.A3 / D48 1981
631.3/7�19