La croix des nombres premiers de Plichta

http://uts.edu/Journals/volume-i-1997/47-book-review-igods-secret-formula-deciphering-the-riddle-of-the-universe-and-the-prime-number-codei-by-peter-plichta-rockport-ma-element-books-1997.html

http://www.abovetopsecret.com/forum/thread281284/pg1

http://www.greatdreams.com/grace/170/170pl19_81.html