Rajaa
Hakutulokset: Hakutulos
Rajaa
yksi hakutulos.
The Six-Cornered Snowflake
nidottu,
2014,
englanti,
ISBN 9780198712497
Kepler's essay, On the Six-Cornered Snowflake, provides the first published evidence of the ideas of regular arrangements and close-packing which have proved fundamental to …