You can search for any reference by title, author, date, editor, journal and publisher. Searching is case insensitive, and allows for only partial terms (e.g. seq with pickup both RNA-Seq and sequencing) matching. You can also use advanced queries that are detailed here.
Li et al. (1999) "Severe liver degeneration in mice lacking the IkappaB kinase 2 gene." Science 284(5412):321-325 (PubMed)