History & comments

Changes7

1. main ref attached

   AlQuemist·22 December 2017, 09:42 (UTC+00:00)
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2. ref added

   AlQuemist·18 December 2017, 19:47 (UTC+00:00)
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3. ref added;

   AlQuemist·18 December 2017, 13:42 (UTC+00:00)
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4. ref added;

   AlQuemist·18 December 2017, 13:40 (UTC+00:00)
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5. text updated;

   AlQuemist·18 December 2017, 13:35 (UTC+00:00)
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6. title adjusted; description expanded

   AlQuemist· 3 November 2017, 08:46 (UTC+00:00)
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7. green's functions

   AlQuemist·25 October 2017, 12:59 (UTC+00:00)
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