Chris Chambers Martin Erwig 225-232 2009 VL/HCC https://doi.org/10.1109/VLHCC.2009.5295258 https://doi.ieeecomputersociety.org/10.1109/VLHCC.2009.5295258 conf/vl/2009 db/conf/vl/vlhcc2009.html#ChambersE09