Annual Jaarverslagens and Accounts as at 31st December 1982  Annual Jaarverslagens 

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 - 2ème Conférence Interafricaine des Sols - Second Inter-african Soils Conference, Léopoldville, 9-14 August 1954, Congo belge .
<br/><br/><label>Index Terms--Genre/Form: </label>--Conferences - Meetings