Recursion: A Computational Investigation Into the Representation ...
David J. Lobina
Encyclopedic Dictionary of Mathematics
Mathematical Society Of Japan & Nihon Sūgakkai
Jacob's Ladder: Ten Steps to Truth
Peter J. Kreeft
The Art of Seeing
Aldous Leonard Huxley
Einstein in Bohemia
Michael D. Gordin
Encuentro con la sombra/ Meeting with the Shadow
Connie Zweig & Jeremiah Abrams
Psicología integral
Kenneth E. Wilber