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.
Chan et al. (1999) "A common human skin tumour is caused by activating mutations in beta-catenin." Nat. Genet. 21(4):410-413 (PubMed)