"In 1611, Kepler wrote an essay wondering why snowflakes always had perfect, sixfold symmetry. It's a simple enough question, but one that no one had ever asked before and one that couldn't actually b...
The Six-Cornered Snowflake
- 作者： Johannes Kepler
- 出版社： Paul Dry Books, Inc.
- 出版日期： 2010-03-01
- ISBN碼： 9781589880535
- 編號： 1002293692493476
$ 510 元
原價 600
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$510