Autores

•  Martin Gardner (4)
•  Raymond Smullyan (4)
•  Carl Zimmer (3)
•  Robin Wall Kimmerer (3)
•  Chris Impey (2)
•  David Toomey (2)
•  Jorge Franco (2)
•  Antonio Rosas (2)
•  Boris Kordemsky (2)
•  Elena García Armada (2)
•  Marie Berrondo Agrell (2)
•  Greco Hernández Ramírez (2)
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