EXHIBIT 1 --------- AGREEMENT AS TO JOINT FILING OF SCHEDULE 13G -------------------------------------------- Each of the undersigned hereby affirms that it is individually eligible to use Schedule 13G, and agrees that this Schedule 13G is filed on...

                                   EXHIBIT 1
                                   ---------

                  AGREEMENT AS TO JOINT FILING OF SCHEDULE 13G
                  --------------------------------------------


Each of the undersigned hereby affirms that it is individually eligible to use
Schedule 13G, and agrees that this Schedule 13G is filed on its behalf.


Date: March 8, 1996


                      XXXXX XXXXXX MUTUAL FUNDS MANAGEMENT INC.



                      By: /s/ Xxxxxxxxx X. Xxxxx
                         ---------------------------
                         Name:  Xxxxxxxxx X. Xxxxx
                         Title:   Secretary


                      XXXXX XXXXXX HOLDINGS INC.



                      By: /s/ Xxxxxx X. Xxxxxxxxxxx
                         ---------------------------
                         Name:  Xxxxxx X. Xxxxxxxxxxx
                         Title:   Assistant Secretary


                      TRAVELERS GROUP INC.



                      By: /s/ Xxxxxxx X. Xxxxx, Xx.
                         ---------------------------
                         Name:  Xxxxxxx X. Xxxxx, Xx.
                         Title:   Assistant Controller