scientific article published in January 1966
scientific article published in January 1965
scientific article published in January 1966
scientific article published in January 1966
scientific article published in January 1966
scientific article published in January 1966
scientific article published in January 1966
scientific article published in January 1966
scientific article published in January 1966
scientific article published in January 1965
scientific article published in January 1966
scientific article published in January 1963
scientific article published in January 1965
scientific article published in January 1965
scientific article published in January 1964
scientific article published in January 1965
scientific article published in January 1966
scientific article published in January 1965
scientific article published in January 1966
scientific article published in January 1966
scientific article published in January 1965
scientific article published in January 1966
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