References
- Hanauer , J. G. 1994 . Population Zappers , Lexington , Mass. : Michael Hanauer .
- Population Reference Bureau. 1998 . Record number of young people reaching childbearing years http://www.prb.org/prb/media/pressrel/wpds98.html
- Census, U. S. Bureau. 1998 . World population profile: 1996-high-Lights http://www.census.gov/ipc/www/wphilite.html
- The International Lyrics Server. 1998 . “Where do the children play?” http://www.lyrics.ch/about.html