A System of Programs for the Synthesis of Switching Circuits Using the Method of Disjoint Stars. - Ryszard S. Michalski; Zenon Kulpa (IFIP Congress (1), 1971)

On the Equivalence of Planar Grammars and Parallel Picture Processing Algorithms. - Zenon Kulpa (MFCS, 1974)

Universal Digital Image Processing Systems in Europe - a Comparative Survey. - Zenon Kulpa (Digital Image Processing Systems, 1981)

COP-2/K-202: A Universal Digital Image Analysis System. - Zenon Kulpa; Janusz Dernalowicz; Henryk T. Nowicki; Andrzej Bielik (Digital Image Processing Systems, 1981)

More about areas and perimeters of quantized objects. - Zenon Kulpa (Comput. Vis. Graph. Image Process., 1983)

Algorithms for circular propagation in discrete images. - Zenon Kulpa; Björn Kruse (Comput. Vis. Graph. Image Process., 1983)

Diagrammatic Representation of Interval Space in Proving Theorems about Interval Relations. - Zenon Kulpa (Reliab. Comput., 1997)

A Diagrammatic Notation for Interval Algebra. - Zenon Kulpa (Diagrams, 2000)

Diagrammatic Analysis of Interval Linear Equations - Part I: Basic Notions and the One-Dimensional Case. - Zenon Kulpa (Reliab. Comput., 2003)

Diagrammatic Analysis of Interval Linear Equations - Part II: The Two-Dimensional Case and Generalization to n Dimensions. - Zenon Kulpa (Reliab. Comput., 2003)

Diagrammatic Spreadsheet: An Overview. - Truong Lan Le; Zenon Kulpa (Diagrams, 2004)

On Diagrammatic Representation of Mathematical Knowledge. - Zenon Kulpa (MKM, 2004)

Designing Diagrammatic Catalogues of Types of Basic Interval Equation: A Case Study. - Zenon Kulpa (MKM, 2005)

A diagrammatic approach to investigate interval relations. - Zenon Kulpa (J. Vis. Lang. Comput., 2006)

Erratum to "A diagrammatic approach to investigate interval relations": [J. Vis. Lang. Comput. 17 (2006) 466-502]. - Zenon Kulpa (J. Vis. Lang. Comput., 2007)