Schaper C. The Source Duality: Endogenous and Exogenous Preparation of the Substituted-Chrysene Stock, Mixed Arm Words, and the Persistence Semigroup. ACF [Internet]. 2026 Nov. 6 [cited 2026 Nov. 6];1(4):1823-35. Available from: https://chrysene.com/index.php/acf/article/view/90