@inbook{Hoekstra2007f, author = {A. G. Hoekstra and S. Portegies Zwart and M. Bubak and P. M. A. Sloot}, booktitle = {Petascale computing: Algorithms and applications}, isbn = {9781584889090}, pages = {147-164}, title = {Towards distributed petascale computing}, year = {2007} }