I'd suggest sending a change request to OCLC.  This can be done online and
if a surrogate is necessary, it can be request and surrogate can be faxed.
Online form and instructions are at: https://www3.oclc.org/app/bibchg/

    Steve Shadle           shadle@u.washington.edu  *******
    Serials Cataloger                                *****
    University of Washington Libraries, Box 352900    ***
    Seattle, WA 98195               (206) 685-3983     *

On Wed, 11 Jun 2003, Dani Lichtenberg wrote:

> This title recently changed from Mecanica Popular.  The OCLC record for
> the new issn 1544-5216 says the change was effective with vol 56, no 5
> May 2002.  However, it was actually May 2003.  What can be done about
> correcting the record?
>
> Dani Lichtenberg
> Palm Beach County Library System
> lichtenbergd@pbclibrary.org
>