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.
Seger and Krebs (1995) "The MAPK signaling cascade." FASEB J. 9(9):726-735 (PubMed)