EXTERNPROTO NurbsSurface [
  field        SFInt32  uDimension 
  field        SFInt32  vDimension 
  field        MFFloat  uKnot  
  field        MFFloat  vKnot 
  field        SFInt32  uOrder 
  field        SFInt32  vOrder 
  exposedField MFVec3f  controlPoint
  exposedField MFFloat  weight
  exposedField SFInt32  uTessellation
  exposedField SFInt32  vTessellation
  exposedField SFNode   texCoord
  field        SFBool   ccw
  field        SFBool   solid
  ]
  [
          "urn:inet:blaxxun.com:node:NurbsSurface",
          "<a href=http://www.blaxxun.co>/vrml/protos/nurbs.wrl#NurbsSurface"
  ]