Summary
米国と世界の人口がわかる．Reference
U.S. and World Population Clocks - POPClockshttp://www.census.gov/main/www/popclock.html
via
cl.pocari.org - 2005-02-13http://cl.pocari.org/2005-02-13.html#2005-02-13-1
U.S. and World Population Clocks - POPClocks
Summary
米国と世界の人口がわかる．Reference
U.S. and World Population Clocks - POPClockshttp://www.census.gov/main/www/popclock.html
via
cl.pocari.org - 2005-02-13http://cl.pocari.org/2005-02-13.html#2005-02-13-1