Remarks on 15-vertex (3, 3)-Ramsey graphs not containing K5. - Sebastian Urbanski (Discuss. Math. Graph Theory, 1996)

Computation of the Folkman number Fe(3, 3; 5). - Konrad Piwakowski; Stanislaw P. Radziszowski; Sebastian Urbanski (J. Graph Theory, 1999)

On minimal Folkman graphs. - Tomasz Luczak 001; Andrzej Rucinski 001; Sebastian Urbanski (Discret. Math., 2001)

Vertex Ramsey Properties of Families of Graphs. - Tomasz Luczak 001; Andrzej Rucinski 001; Sebastian Urbanski (J. Comb. Theory B, 2002)