ScienceFifty Years of Quantum TheoryARNOLD SOMMERFELD, Fritz BoppPublished Jan 26, 1951• 7 citationsPublisherAbstractArticle MetricsDownloadsCitationsNo data available.0123JulAugSepOctNovDec310Total6 Months12 MonthsTotal number of downloads for the most recent 6 whole calendar months.DOI10.1126/science.113.2926.85