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Under the following conditions:
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share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. Subject to disclaimers.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue
Original upload log
The original description page was here. All following user names refer to en.wikipedia.
2005-05-06 01:41 J S Lundeen 1277×752× (25458 bytes) {{GFDL}}. Fixed a mistake in the first version. I made this image myself.
2005-05-06 01:34 J S Lundeen 1227×727× (23340 bytes) {{GFDL}} I made this image myself. It shows spontaneous parametric downconversion.
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