JOINT FILING AGREEMENT

                                    EXHIBIT C

                             JOINT FILING AGREEMENT

                  The undersigned hereby agree that the statement on Schedule
13D with respect to the Common Stock of ▇▇▇▇▇▇▇▇▇ International, Inc. dated
March 13, 1997 is, and any amendments thereto signed by each of the undersigned
shall be, filed on behalf of each of us pursuant to and in accordance with the
provisions of Rule 13d-1(f) under the Securities Exchange Act of 1934.

Dated as of:  March 13, 1997                ▇▇▇▇▇ FUND MANAGEMENT LLC


                                            By: /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇
                                                ▇▇▇▇▇▇▇ ▇. ▇▇▇▇
                                                Assistant General Counsel


                                            ▇▇▇▇▇▇ ▇▇▇▇▇


                                            By: /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇
                                                ▇▇▇▇▇▇▇ ▇. ▇▇▇▇
                                                Attorney-in-Fact


                                            ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇▇▇▇▇▇


                                            By:  /s/ ▇▇▇▇▇▇▇ ▇. ▇▇▇▇
                                                 ▇▇▇▇▇▇▇ ▇. ▇▇▇▇
                                                 Attorney-in-Fact


                                            DUQUESNE CAPITAL MANAGEMENT, L.L.C.


                                            By: /s/ ▇▇▇▇▇▇ ▇▇▇▇▇▇
                                                ▇▇▇▇▇▇ ▇▇▇▇▇▇
                                                Managing Director