Roger Antonsen
Om
Foredrag
Bøker
Presse
Undervisning
Forskning
Kunst
Blogg
EN
NO
Pyritohedra. Plural of pyritohedron.
26. juli 2017
Pyritohedra. Plural of pyritohedron.
26. juli 2017
Animert
Twitter
https://twitter.com/rantonse/status/890017463672348673