Album de fotos especiales del siglo pasado...

		Conference in Algebraic Topology, Gargnano, Italy 1995
		Conference on Algebraic Topology Kazimierz, Poland 1997
		Conference on Algebraic Topology Kazimierz, Poland 1997
		Arolla Conference on Algebraic Topology, Suiza, 1999
		Arolla Conference on Algebraic Topology, Suiza,1999
		Arolla Conference on Algebraic Topology, Suiza,1999

 

 

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