1. Anonymous (2005). NuTech Solutions Newsletter, 2, 3
2. Théorie de la spéculation;Bachelier;Annales Scientifiques de l’École Normale Supérieure,1900
3. Linked: How everything is connected to everything else and what it means for business, science, and everyday life;Barabási,2003
4. A model of investor sentiment;Barberis;Journal of Financial Economics,1998
5. Dynamic meteorology and hydrography, Part II. Kinematics;Bjerknes,1911