1 EXHIBIT 99.1 AGREEMENT dated as of September 27, 1996 between Tweedy, Browne Company L.P., a Delaware limited partnership ("TBC") and TBK Partners, L.P., a Delaware limited partnership ("TBK").

   1
                                  EXHIBIT 99.1

         AGREEMENT dated as of September 27, 1996 between Tweedy, Xxxxxx Company
L.P., a Delaware limited partnership ("TBC") and TBK Partners, L.P., a Delaware
limited partnership ("TBK").

                                   WITNESSETH:

         WHEREAS, in accordance with Rule 13d-1(f) of the Act, only one such
Statement need be filed whenever two or more persons are required to file such a
Statement pursuant to Section 13(d) of the Act with respect to the same
securities, provided that said persons agree in writing that such Statement is
filed on behalf of each of them.

         NOW, THEREFORE, in consideration of the premises and mutual agreements
herein contained, the parties hereto agree as follows:

         TBC and TBK do hereby agree, in accordance with Rule 13d-1(f) under the
Act, to file one Statement on Schedule 13D relating to their ownership of the
Common Stock, and do hereby further agree that said Statement shall be filed on
behalf of each of TBC and TBK. Nothing herein, however, shall be, or shall be
deemed to be, an admission that the parties hereto, or any of them, are members
of a "group" (within the meaning of Section 13(d) of the Act and the rules and
regulations promulgated thereunder) with respect to any securities of the
Company.

         IN WITNESS WHEREOF, the parties have executed this Agreement as of the
date first above written.

TWEEDY, XXXXXX COMPANY L.P.

By________________________________
   Xxxxxxxxxxx X. Xxxxxx
   General Partner

TBK PARTNERS, L.P.

By________________________________
   Xxxxxxxxxxx X. Xxxxxx
   General Partner
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                                    EXHIBIT B

         The names, present principal occupations and business addresses of each
of the general partners in TBC and TBK are as follows:



                                       Present Principal Occupation
Name                                   and Business Address
---------------------                  ----------------------------
                                    
Xxxxxxxxxxx X. Xxxxxx                  General Partner, TBC
                                       00 Xxxxxxxxxx Xxxxxx
                                       Xxx Xxxx, Xxx Xxxx 00000

                                       General Partner, TBK
                                       00 Xxxxxxxxxx Xxxxxx
                                       Xxx Xxxx, Xxx Xxxx 00000

Xxxxxxx X. Xxxxxx                      General Partner, TBC
                                       00 Xxxxxxxxxx Xxxxxx
                                       Xxx Xxxx, Xxx Xxxx 00000

                                       General Partner, TBK
                                       00 Xxxxxxxxxx Xxxxxx
                                       Xxx Xxxx, Xxx Xxxx 00000

Xxxxxx X. Xxxxx                        General Partner, TBK
                                       00 Xxxxxxxxxx Xxxxxx
                                       Xxx Xxxx, Xxx Xxxx 00000

Xxxx X. Xxxxxx                         General Partner, TBC
                                       00 Xxxxxxxxxx Xxxxxx
                                       Xxx Xxxx, Xxx Xxxx 00000

                                       General Partner, TBK
                                       00 Xxxxxxxxxx Xxxxxx
                                       Xxx Xxxx, Xxx Xxxx 00000