| frank_oz.jpg (Marek-lib) (19.2.2011 17:26) | ||
| Pardon, bylo to vedle k pyramidám | ||
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| frank_oz.jpg (Marek-lib) (19.2.2011 17:25) | ||
| Kdepak, pravdu odhalil J. Davidovits: http://www.geopolymer.org/archaeology/pyramids/are-pyramids-made-out-of-concrete-1 | ||
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| frank_oz.jpg (Marek-lib) (19.2.2011 17:26) | ||
| Pardon, bylo to vedle k pyramidám | ||
|
|
||
| frank_oz.jpg (Marek-lib) (19.2.2011 17:25) | ||
| Kdepak, pravdu odhalil J. Davidovits: http://www.geopolymer.org/archaeology/pyramids/are-pyramids-made-out-of-concrete-1 | ||
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