1. Proffit WR, Fields HW, Sarver DM. Contemporary Orthodontics. Elsevier/Mosby, St. Louis; 2012. https://books.google.co.in/books/about/Contemporary_Orthodontics_E_Book.html?id=A45nDwAAQBAJ&redir_esc=y.
2. Handbook of Orthodontics for the Student and General Practitioner;Moyers R,1973
3. Gianelly A. Biologic Basis of Orthodontics. Lea and Febiger, Philadelphia; 1971. https://www.ncbi.nlm.nih.gov/nlmcatalog/1301271.
4. Marcotte M. Biomechanics in Orthodontics. BD Decker, Toronto; 1990. https://books.google.co.in/books/about/Biomechanics_in_orthodontics.html?id=0CZqAAAAMAAJ&redir_esc=y.
5. The segmented arch approach to space closure;Burstone CJ;Am J Orthod,1982