Exhibit 23




                      CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


As independent public accountants, we hereby consent to the incorporation of our
report included in this Form 10-K, into the Company's previously filed
Registration Statements, File Numbers 33-723, 33-24508, 33-37872, 33-78564,
33-78572 and 333-02389.



                                  ARTHUR ANDERSEN LLP

San Diego, California
May 14, 1997