CMU library collection include a variety of scientific publications.
You don't need to pay extra money to get access to journal articles, books, videos, etc. that all you need for.
How to search for scientific literature?
Two major strategies:
Searchingdisciplinary databases: this can be used at the beginning of a research stage by either keyword or subject, although keyword and subject index can represent concepts differently.
Tracking relevant and important publications by citation network, authors. As you find a highly relevant publication, tracking its citations / references is more efficient. Usually, the challenging task is to identify a central debate or argument, and significant publications in particular research area to prepare for you to develop the research literature. There are a few of techniques: