Studies in income and wealth. — Текст: электронный.
Measuring and accounting for innovation in the twenty-first century / edited by Carol Corrado, Jonathan Haskel, Javier Miranda, and Daniel Sichel. — 1 online resource (xi, 590 pages) : illustrations. — (National Bureau of Economic Research Studies in Income and Wealth). — Доступ по паролю из сети Интернет (чтение, печать, копирование). — <URL:https://elib.spbstu.ru/ebsco/pdf/2706766.pdf>. — <URL:https://elib.spbstu.ru/ebsco/epub/2706766.epub>. — Текст: электронный
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