at senescence.info
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.
Canman et al. (1998) "Activation of the ATM kinase by ionizing radiation and phosphorylation of p53." Science 281(5383):1677-1679 (PubMed)