How to use crowding selection in Grammar-based Classifier System. - Olgierd Unold; Lukasz Cielecki (ISDA, 2005)

Learning Context-Free Grammars from Partially Structured Examples: Juxtaposition of GCS with TBL. - Olgierd Unold; Lukasz Cielecki (HIS, 2007)

GCS with Real-Valued Input. - Lukasz Cielecki; Olgierd Unold (IWINAC (1), 2007)

Real-Valued GCS Classifier System. - Lukasz Cielecki; Olgierd Unold (Int. J. Appl. Math. Comput. Sci., 2007)

Modified Himmelblau Function Classification with rGCS System. - Lukasz Cielecki; Olgierd Unold (HIS, 2008)

3D Function Approximation with rGCS Classifier System. - Lukasz Cielecki; Olgierd Unold (ISDA (3), 2008)

2D Discontinuous Function Approximation with Real-Valued Grammar-Based Classifier System. - Lukasz Cielecki; Olgierd Unold (ICIC (1), 2012)

Topographic Map Object Classification Using Real-Value Grammar Classifier System. - Lukasz Cielecki (PerMIn, 2012)