EXHIBIT 23





                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


As independent public accountants, we hereby consent to the incorporation of 
our reports incorporated by reference in this Form 10-K, into the Company's 
previously filed Form S-3 Registration Statement File No. 333-05131 and  Form 
S-8 Registration Statement File No. 333-01789.

                                        ARTHUR ANDERSEN LLP



Dallas, Texas,
  October 22, 1996