References
Nicola Guarino
with Ferrario, R. (2012). Fondamenti ontologici per una scienza dei servizi. Rivista di estetica, 49, 227-246. https://doi.org/10.4000/estetica.1711.
(2006). Formal ontology, knowledge representation and conceptual modelling: old inspirations, still unsolved problems. In P. Hitzler, & P. Øhrstrøm (Eds.). Conceptual structures: inspiration and application (pp. 1-1). Dordrecht: Springer.