http://www.naritsyn.ru/read/all/azbuka/love.htm
http://www.moscow-faq.ru/all_question/wayoflive/psihologia/2008/June/6971/20329
http://www.fresh.by/columns/%d0%ba%d0%b0%d0%ba-%d0%bf%d1%80%d0%b8%d0%b7%d0%bd%d0%b0%d1%82%d1%8c%d1%81%d1%8f-%d0%b4%d0%b5%d0%b2%d1%83%d1%88%d0%ba%d0%b5-%d0%b2-%d0%bb%d1%8e%d0%b1%d0%b2%d0%b8/