Daily Blender Tip - Basics of Nurbs modeling - BlenderNation
What Are NURBS Curves in 3D Modeling?
Paolo Furani on Twitter: "Trying to understand #NURBS surfaces, #Blender able to import same surfaces, is missing only trimmed surfaces, this model was made with #ICEM Surf, an advanced #surface modeling software
How can I add control points to a NURBS surface - Blender Stack Exchange