BIBLIOGRAPHY-
http://www.ehow.com/about_5479727_history-serology.html
http://www.angelfire.com/scifi/classroom/forensics/serology.htm
http://www.forensic-medecine.info/forensic-serology.html
http://www.nlada.org/forensics/for_lib/Documents/1124741447.71/425lect13.htm
The Crime Scene: How Forensic Science Works page 62.