Lee S. Katz, Jay C. Humphrey, Andrew B. Conley, Viswateja Nelakuditi, Andrey O. Kislyuk, Sonia Agrawal, Pushkala Jayaraman, Brian H. Harcourt, Melissa A. Olsen-Rasmussen, Michael Frace, Nitya V. Sharma, Leonard W. Mayer, I. King Jordan
Database (Oxford) 2011; 2011: bar035. Published online 2011 Sep 16. doi: 10.1093/database/bar035