1. The NURBS Book;Piegl,1997
2. Geometric Modeling with Splines: An Introduction;Cohen,2001
3. Standard and non-standard CAGD tools for isogeometric analysis: A tutorial;Manni,2016
4. A Practical Guide to Splines;de Boor,2001
5. Spline Functions: Basic Theory;Schumaker,2007