(1991). Vision geometry: Proceedings of an AMS special session held October 20-21, 1989 / Robert A. Melter, Azriel Rosenfeld, Prabir Bhattacharya, editors.
Chicago-čujuhus (17. p.)Vision Geometry: Proceedings of an AMS Special Session Held October 20-21, 1989 / Robert A. Melter, Azriel Rosenfeld, Prabir Bhattacharya, Editors. 1991.
MLA-čujuhus (9. p.)Vision Geometry: Proceedings of an AMS Special Session Held October 20-21, 1989 / Robert A. Melter, Azriel Rosenfeld, Prabir Bhattacharya, Editors. 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.