首页 / 官方藏书 / Primitive Time-reckoning / A study in the origins and first development of the art of counting time among the primitive and early culture peoples / CHAPTER XII. SOLSTICES AND EQUINOXES. AIDS TO THE DETERMINATION OF TIME.

CHAPTER XII. SOLSTICES AND EQUINOXES. AIDS TO THE DETERMINATION OF TIME.

Primitive Time-reckoning / A study in the origins and first development of the art of counting time among the primitive and early culture peoples · Martin P. Nilsson · 第 22 / 36 章