You can find journal articles by consulting the bibliographies of the sources you already have, searching for articles on your topic in the library's databases, or using search engines, including Google Scholar. Ground Floor, 115 Wharfedale Road, Winnersh Triangle, Wokingham, Berkshire RG41 5RB. Sometimes, members of the public are allowed to subscribe to university journals through visitor access or through a walk-in user service. If you don't have a specific topic, but you want to search for scientific journals in a specific field of study, you can do so from the search engine for electronic journals.
Your contact information, usually an email address, will appear in the information you find about the article, either in a database record of the article or on the page of the corresponding editorial journal. However, by searching the library's databases, you may be able to access the journal article that has a paywall through Google.