Try this: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.16.3065 http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.16.3... (Click on the PDF or

Try this: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.16.3065 http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.16.3... (Click on the PDF or PS links on the right to get the actual document)