ProQuest® will be performing infrastructure maintenance on Saturday, September 29, 2012. A twelve (12) hour maintenance window will be required for this maintenance to install the latest enhancements to the ProQuest platform. The window will take place from Saturday, September 29, 2012, at 7:00 PM PST to Sunday, September 30, 2012 at 7:00 AM PST All ProQuest databases will be offline during this time-period.