by Tabachnikov, Serge.
by K�hnel, Wolfgang.
by Hulek, Klaus.
by Katz, Sheldon.
by Agricola, Ilka | Friedrich, Thomas | Spain, Philip G.
by Garibaldi, Julia | Iosevich, Alex | Senger, Steven.
by Garrity, Thomas A.
by Matousek, Jiri.
by Shemanske, Thomas R.
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