Blas Cuesta Antonio Robles José Duato An Effective Starvation Avoidance Mechanism to Enhance the Token Coherence Protocol. 47-54 2007 conf/pdp/2007 PDP http://doi.ieeecomputersociety.org/10.1109/PDP.2007.22 db/conf/pdp/pdp2007.html#CuestaRD07