Daylight, twilight, darkness, and time their distribution over the earth and their relationships to human affairs

Eitemau Tebyg

• Latitude, longitude and time zones
  Cyhoeddwyd: (2015)
• The variation of latitude at New York City
  gan: Rees, John Krom 1851-1907
  Cyhoeddwyd: (1906)
• Our precarious habitat
  gan: Benarde, Melvin A.
  Cyhoeddwyd: (1973)
• Biological diversity exploiters and exploited
  gan: Hatcher, Paul
  Cyhoeddwyd: (2011)
• Framework and strategy in human wellbeing
  Cyhoeddwyd: (2007)