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

समान संसाधन

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