Matsuo, Miki, Kazuo Nishimura, Tomoya Sakagami, and Alain Venditti. 2008. “Equilibrium Cycles in a Two-Sector Economy With Sector Specific Externality”. CUBO, A Mathematical Journal 10 (3):65–82. https://cubo.ufro.cl/ojs/index.php/cubo/article/view/1500.