Denise W. Gürer Jennifer Light Christina Björkman Rhian Davies Mark S. Hancock Anne Condon Annemieke Craig Vashti Galpin Ursula Martin Margit Pohl Sylvia Wiltner M. Suriya Ellen Spertus Joanne McGrath Cohoon Gloria Childress Townsend Paula Gabbert 2008 Wiley Encyclopedia of Computer Science and Engineering http://dx.doi.org/10.1002/9780470050118.ecse472 reference/wiley/2008 db/reference/wiley/wiley2008.html#GurerLBDHCCGMPWSSCTG08