The emergence of life and evolution: Towards a categorical approach. - Roland Cazalis (ECAL, 2013)

The living organism: Strengthening the basis. - Roland Cazalis; Timoteo Carletti; Ron Cottam (Biosyst., 2017)

An approach to the plant body: Assessing concrete and abstract aspects. - Roland Cazalis; Ron Cottam (Biosyst., 2021)

The local-global relationship of nature. - Ron Cottam; Roland Cazalis; Roger Vounckx (Biosyst., 2023)

Book Review. - Roland Cazalis (Biosyst., 2025)