Bilaketaren emaitzak - International Biological Programme
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Nitrogen fixation by free-living micro-organisms /
Argitaratua 1975“...International Biological Programme...”
Liburua -
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Humic substances, their structure and function in the biosphere proceedings of an international meeting held at Nieuwersluis, the Netherlands, May 29-31, 1972
Argitaratua 1975“...International Biological Programme...”
Liburua -
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A discussion on human adaptability in a tropical ecosystem : an I. B. P. human biological investigation of two New Guinea communities /
Argitaratua 1974“...International Biological Programme...”
Liburua -
6
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7