compilation error

Hello
When I compile the sample (standard\Mfc801_geometry for example), I have a fatal error. See the build report after.

>Deleting intermediate files and output files for project 'Geometry - Win32 Debug'.
>--------------------Configuration: Geometry - Win32 Debug--------------------
>Compiling resources...
>Compiling...
>StdAfx.cpp
>Compiling...
>ISession2D_Curve.cpp
>ISession2D_InteractiveContext.cpp
>ISession2D_SensitiveCurve.cpp
>ISession_Curve.cpp
>ISession_Direction.cpp
>ISession_Point.cpp
>ISession_Surface.cpp
>ISession_Text.cpp
>ChildFrm.cpp
>ChildFrm2d.cpp
>GeometryApp.cpp
>GeometryDoc.cpp
>GeometryView.cpp
>GeometryView2d.cpp
>GeomSources.cpp
>MainFrm.cpp
>WINMAIN.CPP
>Generating Code...
>Linking...
>LINK : fatal error LNK1104: cannot open file "TKVrml.lib"
>Error executing link.exe.
>
>Geometry.exe - 1 error(s), 0 warning(s)

My environnement variables are corrects.

Please help me

Many thanks

Stephane PENOT