<LI><a href="http://www.auburn.edu/~harshec/WWW/MagicSquare.html" target="_blank" >magic square of n x n </A>and <a href="http://www.auburn.edu/~harshec/WWW/algorithm.html" target="_blank" >Algorithm for odd magic square </A>(E. C. Harshbarger的幻方主页)
<LI><a href="http://users.aol.com/themazeman/perf-mag.html/" target="_blank" >John Knoderer'的幻方主页 </A>( Knoderer's special square )