Madoff's sudden downfall" . USA Today . http://www.usatoday.com/money/markets/2008-12-14-ponzi-madoff-downfall_N.htm . Retrieved December 24, 2008 .   ^ a b O'Hara, Maureen (1995). Market Microstructure Theory . Oxford : Blackwell. p. 190. ISBN 1-55786-443-8 . http://books.google.com/books?id=gHrzgo0ghfMC&pg=PA190&lpg=PA190&dq=madoff+securities+maureen+o%27hara&source=web&ots=pYJvd_jmOd&sig=l9ZhWlP_w_ImYe8j6onWPTclqCI&hl=en&sa=X&oi=book_result&resnum=7&ct=result . Retrieved December 16, 2008 .   ^ a b c d Voreacos, David; Glovin, David (December 13,