Exhibit 23-1


                      CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS



As independent public accountants, we hereby consent to the incorporation of our
reports included in this Form 10-K, into the Company's previously filed
Registration Statements on Form S-8 (No. 33-62901, 33-23261, 333-45156) and Form
S-3 (No. 333-12781).



                                        ARTHUR ANDERSEN LLP


Chicago, Illinois
April 14, 1999