bn:03516500n
Noun Named Entity
Categories: Valdemar Poulsen Gold Medal Recipients, Members of the Royal Netherlands Academy of Arts and Sciences, 20th-century Dutch physicists, 1889 births, Utrecht University alumni
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Balthasar van der Pol  B. van der Pol
EN
Balthasar van der Pol was a Dutch physicist. Wikipedia
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EN
Balthasar van der Pol was a Dutch physicist. Wikipedia
Dutch physicist Wikidata
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