Caltech subscribes to many journals in electronic format. However, we may not have electronic access to all issues for a given title. For some titles, we may only have access for the past few years, or back to a certain volume or year. If we do not have access to an older issue of a title, check the Catalog. Also please note that we may have access to different years through different electronic sources.
A tricky part of deciphering citations is figuring out the Journal Abbreviation. There are a few tools to help you do this: