1. Anderson, A.R., & Belnap, N.D. (1975). Entailment: the logic of relevance and neccessity Vol. I. Princeton: Princeton University Press.
2. Beall, J., Brady, R., Dunn, J.M., Hazen, A.P., Mares, E., Meyer, R.K., Priest, G., Restall, G., Ripley, D., Slaney, J., Sylvan, R. (2012). On the ternary relation and conditionality. Journal of Philosophical Logic, 41(3), 595–612.
3. Bimbó, K. (2007). Relevance logics. In Jacquette, D. (Ed.) Handbook of the philosophy of science: philosophy of logic. North-Holland Academic Publishers.
4. Brady, R.T. (1984). Natural deduction systems for some quantified relevant logics. Logique Et Analyse, 27(108), 355–378.
5. Brady, R.T. (1988). A content semantics for quantified relevant logics I. Studia Logica, 47(2), 111–127.