

                                                                    Exhibit 23


                    Consent of Independent Public Accountants


     As independent public  accountants,  we hereby consent to the incorporation
by reference of our reports  dated  January 22, 1998 (except with respect to the
matter  discussed  in Note 17,  as to  which  the date is  February  26,  1998),
included  in this Form 10-K into the  Company's  previously  filed  registration
statement on Form S-3 (No. 33-65772).





ARTHUR ANDERSEN LLP
Dallas, Texas,
  March 16, 1998


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