diff --git a/EGkSurfTriMesh.h b/EGkSurfTriMesh.h
index 11744ea..3510e12 100644
--- a/EGkSurfTriMesh.h
+++ b/EGkSurfTriMesh.h
@@ -70,9 +70,7 @@ class __declspec( novtable) ISurfTriMesh : public ISurf
       virtual bool GetVertex( int nId, Point3d& ptP) const = 0 ;
       virtual bool GetVertexParam( int nId, double& dU, double& dV) const = 0 ;
       virtual int  GetFirstVertex( Point3d& ptP) const = 0 ;
-      virtual int  GetFirstVertexParam( int nId, double& dU, double& dV) const = 0 ;
       virtual int  GetNextVertex( int nId, Point3d& ptP) const = 0 ;
-      virtual int  GetNextVertexParam( int nId, double& dU, double& dV) const = 0 ;
       virtual bool GetTriangle( int nId, int nIdVert[3]) const = 0 ;
       virtual int  GetFirstTriangle( int nIdVert[3]) const = 0 ; 
       virtual int  GetNextTriangle( int nId, int nIdVert[3]) const = 0 ; 
diff --git a/EXeExecutor.h b/EXeExecutor.h
index 633161d..3338e72 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -807,6 +807,8 @@ EXE_EXPORT bool ExeLineBoxInters( const Point3d& ptP, const Vector3d& vtDir, con
                                   INTDBLVECTOR& vInters) ;
 EXE_EXPORT bool ExeLineSurfTmInters( const Point3d& ptP, const Vector3d& vtDir, int nId, int nRefType,
                                      INTDBLVECTOR& vInters) ;
+EXE_EXPORT bool ExeLineSurfBzInters( const Point3d& ptP, const Vector3d& vtDir, int nId, int nRefType,
+                                     INTDBLVECTOR& vInters) ;
 EXE_EXPORT bool ExeLineVolZmapInters( const Point3d& ptP, const Vector3d& vtDir, int nId, int nRefType,
                                       INTDBLVECTOR& vInters) ;
 EXE_EXPORT int  ExePlaneCurveInters( const Point3d& ptOn, const Vector3d& vtN, const int nId, const int nDestGrpId, const int nRefType,
diff --git a/EgkIntersLineSurfBez.h b/EgkIntersLineSurfBez.h
index 168ac9c..69ef158 100644
--- a/EgkIntersLineSurfBez.h
+++ b/EgkIntersLineSurfBez.h
@@ -16,6 +16,7 @@
 #include "/EgtDev/Include/EGkSurfTriMesh.h"
 #include "/EgtDev/Include/EGkIntersLineTria.h"
 #include "/EgtDev/Include/EGkHashGrids2d.h"
+#include "/EgtDev/Include/EGkSurfBezier.h"
 
 //----------------------- Macro per import/export ----------------------------
 #undef EGK_EXPORT
@@ -48,7 +49,7 @@ struct IntLinSbzInfo {
 typedef std::vector<IntLinSbzInfo>  ILSBIVECTOR ;
 
 //-----------------------------------------------------------------------------
-EGK_EXPORT bool IntersLineSurfBz( const Point3d& ptL, const Vector3d& vtL, double dLen, const ISurfBezier& SBz,
+EGK_EXPORT bool IntersLineSurfBz( const Point3d& ptL, const Vector3d& vtL, double dLen, const ISurfBezier* pSBz,
                                   ILSBIVECTOR& vInfo, bool bFinite = true) ;
 
 //-----------------------------------------------------------------------------