1. Atlas of Lie groups and representations, see liegroups.org.
2. Algorithms for representation theory of real reductive groups;Adams;J. Inst. Math. Jussieu,2009
3. Classification of spinors of dimension sixteen;Antonyan;Tr. Tbiliss. Mat. Inst. Razmadze Akad. Nauk Gruzin. SSR,1982
4. Linear Algebraic Groups;Borel,1991