In einer eMail vom 01.04.2006 09:50:26 Westeuropäische Sommerzeit schreibt cboyer@club-internet.fr: April 2006 issue, page 70, of Mathematics Today (IMA, the Institute of Mathematics and its Applications, UK). In the same issue, the second part of the article on pandiagonal magic squares published by Dame Kathleen Ollerenshaw. is it available online somewhere ?