@article{andrews_improved_1999, title = {Improved bounds for on-line load balancing}, volume = {23}, url = {http://dx.doi.org/10.1007/3-540-61332-3_133}, urldate = {2009-02-16TZ}, journal = {Algorithmica}, author = {Andrews, Matthew and Goemans, Michel and Zhang, Lisa}, year = {1999}, pages = {278--301} }