1. S. Eliahou, Courbes monomiales et algebre de Rees symbolique, Thèse, Université de Genève, 1983.
2. On the finite generation of symbolic blow-ups;Huneke, Craig;Math. Z.,1982
3. Mathematics Lecture Note Series;Matsumura, Hideyuki,1980
4. Reductions of ideals in local rings;Northcott, D. G.;Proc. Cambridge Philos. Soc.,1954