with Piekarczyk, S. , 1979, 'The scientific and technological revolution in the light of historical materialist theory', Dialectics and Humanism 6 (2), 23-32.
with Petrowicz, L. , 1976, 'Biopsychic aspects of anthropogenesis', Dialectics and Humanism 3 (1), 97-119.
with Petrowicz, L. , 1973a, 'The definition of the notion of "praxis' in Karl Marx's philosophy', Dialectics and Humanism 1, 31-52.