137 (число) (Ukrainian Wikipedia)

Analysis of information sources in references of the Wikipedia article "137 (число)" in Ukrainian language version.

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1web.archive.org

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137.com

137.com [Архівовано 16 серпня 2008 у Wayback Machine.](англ.)

google.de

books.google.de

Von Helge Kragh, Quantum Generations: A History of Physics in the Twentieth Century, Veröffentlicht von Princeton University Press, 1999, 494 p.

web.archive.org

137.com [Архівовано 16 серпня 2008 у Wayback Machine.](англ.)

wikipedia.org

en.wikipedia.org

Roger Penrose, The road to reality: a complete guide to the laws of the Universe^[en], London, Jonathan Cape, 2004, 1094 p. ISBN 0-679-45443-8