ProQuest: short interruption due to maintenance on 31 January 2021 Posted on January 28, 2021 by eleni boro ProQuest will be taking up to an eight-hour maintenance window beginning Sunday 31 January at 03:00 am. During this maintenance window many ProQuest databases and Ebook Central will be temporarily unavailable. We apologise for the inconvenience. Share this:PrintEmailTwitterFacebookLinkedInMorePocketRedditLike this:Like Loading... Related