1. Noga Alon and Joel H . Spencer . 2016 . The Probabilistic Method (4th ed.). Wiley , Hoboken, N.J. isbn:1119061954 Noga Alon and Joel H. Spencer. 2016. The Probabilistic Method (4th ed.). Wiley, Hoboken, N.J. isbn:1119061954
2. Clemens Ballarin . 2010. Tutorial to Locales and Locale Interpretation . In Contribuciones Científicas en Honor de Mirian Andrés Gómez . University of Rioja , 123–140. Online at https://dialnet.unirioja.es/servlet/articulo?codigo=3216664 Clemens Ballarin. 2010. Tutorial to Locales and Locale Interpretation. In Contribuciones Científicas en Honor de Mirian Andrés Gómez. University of Rioja, 123–140. Online at https://dialnet.unirioja.es/servlet/articulo?codigo=3216664
3. Exploring the Structure of an Algebra Text with Locales