Exhibit 1 We, the undersigned, hereby express our agreement that the attached Amendment No. 4 to Schedule 13D is filed on behalf of each of the undersigned. Date: March 18, 1997

                                                                       Exhibit 1




         We, the  undersigned,  hereby  express our agreement  that the attached
Amendment No. 4 to Schedule 13D is filed on behalf of each of the undersigned.


Date: March 18, 1997

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