In response to Donna's question about journals with the SISAC bar code,
if you are a Faxon customer, the Faxon report carries the symbol.
I believe all the journals from the American Society of Civil Engineers
carry it too, as do (at least some) journals from  Wiley.  If you
look through your day's mail for journals from the major publishing
houses I am sure you will find lots of examples of the bar code.
It is becoming more and more common.

Susan Davis
Head, Periodicals
University of Buffalo