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1by FAO, Rome (Italy). Land and Water Development Div. eng, Meeting of the Panel of Experts on Land Productivity Evaluation eng 27 Sep 1971 Sofia (Bulgaria)
Published SepTexto bibliotecaFAO IT -
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3by Okuno, T., FAO, Rome (Italy). Land and Water Development Div. eng, Meeting of the Panel of Experts on Land Productivity Evaluation eng 27 Sep 1971 Sofia (Bulgaria)
Published SepTexto bibliotecaFAO IT -
4by Okuno, T., FAO, Rome (Italy). Land and Water Development Div. eng, Meeting of the Panel of Experts on Land Productivity Evaluation eng 27 Sep 1971 Sofia (Bulgaria)
Published SepTexto bibliotecaFAO IT -
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16by Penkov, M., FAO, Rome (Italy). Land and Water Development Div. eng, Meeting of the Panel of Experts on Land Productivity Evaluation eng 27 Sep 1971 Sofia (Bulgaria), Stakman, W.P.
Published SepTexto bibliotecaFAO IT -
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18by Trashliev, H., FAO, Rome (Italy). Land and Water Development Div. eng, Meeting of the Panel of Experts on Land Productivity Evaluation eng 27 Sep 1971 Sofia (Bulgaria), Godev, G., Krastanov, S., Klevtsov, A., Kabakchiev, I.
Published SepTexto bibliotecaFAO IT