Basic Cyclic Relators as a Description of Multi-Levelled Systems

Lafrenière, L., Vallet, C., Moulin, T., Le Guyader, H., & Bouhou, A. (1978). Basic Cyclic Relators as a Description of Multi-Levelled Systems. In Applied General Systems Research (pp. 321–336). Springer US. https://doi.org/10.1007/978-1-4757-0555-3_23