Exhibit 23.

                       CONSENT OF INDEPENDENT ACCOUNTANTS
                       ----------------------------------

We hereby consent to the incorporation by reference in the registration
statements listed below of our report dated February 15, 2002, relating to the
financial statements of ÌÇÐÄlogo¹ÙÍøÊ×Ò³, which appears in this
Current Report on Form 8-K.

On Form S-3:             Relating to:
- ------------             -----------

File No. 333-75148       ÌÇÐÄlogo¹ÙÍøÊ×Ò³ Dividend Reinvestment
                         and Stock Purchase Plan

On Form S-8:             Relating to:
- ------------             ------------

File No. 033-60667       ÌÇÐÄlogo¹ÙÍøÊ×Ò³ Parity Investment Bonus

         333-00429       ÌÇÐÄlogo¹ÙÍøÊ×Ò³ Savings Fund Plan for
                         Salaried Employees

         333-36840       ÌÇÐÄlogo¹ÙÍøÊ×Ò³ Savings Fund Plan for
                         Salaried Employees

         333-76392       ÌÇÐÄlogo¹ÙÍøÊ×Ò³ Non-Officer Restricted
                         Stock Plan

         333-76394       ÌÇÐÄlogo¹ÙÍøÊ×Ò³ 2002 Stock Plan


/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP
Pittsburgh, Pennsylvania
March 1, 2002