United Nations Economic Commission for Europe. (1980). Trends in Airborne Equipment for Agriculture and Other Areas. ELSEVIER.
Citace podle Chicago (17th ed.)United Nations Economic Commission for Europe. Trends in Airborne Equipment for Agriculture and Other Areas. ELSEVIER, 1980.
Citace podle MLA (8th ed.)United Nations Economic Commission for Europe. Trends in Airborne Equipment for Agriculture and Other Areas. ELSEVIER, 1980.
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