"Archived copy". www.aop.net. Archived from the original on 1 November 2001. Retrieved 12 January 2022.{{cite web}}: CS1 maint: archived copy as title (link)
"Archived copy". www.aop.net. Archived from the original on 1 November 2001. Retrieved 12 January 2022.{{cite web}}: CS1 maint: archived copy as title (link)