--------------------- CUSIP No. 161739107 13G Page 7 of 8 Pages ------------------------ --------------------- EXHIBIT 1 TO SCHEDULE 13G February 28, 1997 MORGAN STANLEY GROUP INC. and MORGAN STANLEY ASSET MANAGEMENT INC., hereby agree that, unless...

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CUSIP No.   000000000               13G                    Page  7 of  8 Pages
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                           EXHIBIT 1 TO SCHEDULE 13G


                               February 28, 1997



       XXXXXX  XXXXXXX  GROUP  INC.  and  XXXXXX XXXXXXX ASSET MANAGEMENT INC.,
     hereby agree that, unless differentiated, this Schedule 13G is filed on
     behalf of each of the parties.



       XXXXXX XXXXXXX ASSET MANAGEMENT INC.

BY:    /s/ XXXXX X. XXXXXX
       ---------------------------------------------------------------
       Xxxxxx Xxxxxxx Asset Management Inc.
       Xxxxx X. Xxxxxx/Vice Chairman



       XXXXXX XXXXXXX GROUP INC.

BY:    /s/ XXXXXX X. XXXXXXX
       ---------------------------------------------------------------
       Xxxxxx Xxxxxxx Group Inc.
       Xxxxxx X. Xxxxxxx/Vice President Xxxxxx Xxxxxxx & Co., Incorporated