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http://www.cogninova.com
UPPDATERA OCH NER
#z
GRAVITATION
../links/wrap.php?u=gravitation.htm
wpe Gravitational time dilation
https://en.m.wikipedia.org/wiki/Gravitational_time_dilation
VARIATIONSKALKYL
../links/wrap.php?u=variationskalkyl.htm
#a
UPPDATERA
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http://www.cogninova.com