Beginning with the August issue of Control, every link in the digital edition that is identified with a "circle-i" as being supported by more material on www.controlglobal.com is now live.
Here are the URLs of the August and September editions, for your reference:
(Current Issue September 2007: ISA-88 - Cookin' Up a Fine Elixer and the WirelessHART Supplement)(Archived Issue August 2007: The Field Guide to Industrial Wireless)