Exhibit B JOINT FILING AGREEMENT Pursuant to Rule 13d-1(f) promulgated under the Securities Exchange Act of 1934, the undersigned hereby agree to the joint filing of this Statement on Schedule 13D including any amendments thereto. This Agreement may...

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                                                             Exhibit B



                           JOINT FILING AGREEMENT


            Pursuant to Rule 13d-1(f) promulgated under the Securities
Exchange Act of 1934, the undersigned hereby agree to the joint filing of
this Statement on Schedule 13D including any amendments thereto.

            This Agreement may be executed in any number of counterparts,
each of which shall be deemed an original, but all of which shall
constitute one and the same instrument.

Dated:      February 22, 1996


                              Compagnie Generale
                              d'Industrie et de Participations

                              By: /s/ Xxxxxx Xxxxxxx Xxxxxxxxx  
                                  Name: Xxxxxx Xxxxxxx XXXXXXXXX
                                  Title: Chairman and CEO




                              Marine-Xxxxxx

                              By: /s/ Xxxxxx Xxxxxxx Xxxxxxxxx  
                                  Name: Xxxxxx Xxxxxxx XXXXXXXXX
                                  Title: Chairman and CEO




                              Xxxxxx-Participations

                              By: /s/ Xxxxx-Xxxxxx de Moustier  
                                  Name: Xxxxx-Xxxxxx de MOUSTIER
                                  Title: Managing Director




                              Societe de Gerance
                              de Valeurs Mobilieres

                              By: /s/ Xxxxx-Xxxxxx de Moustier  
                                  Name: Xxxxx-Xxxxxx de MOUSTIER
                                  Title: Chairman and CEO