@article{com2las00c, author = {P. Lassila and J. Virtamo}, title = {Nearly Optimal Importance Sampling for Monte Carlo Simulation of Loss Systems}, journal = {ACM Transactions on Modeling and Computer Simulation}, year = {2000}, volume = {10}, number = {4}, pages = {326--347}, note = {}, url = {http://www.acm.org/}, }