@mastersthesis{EURECOM+3868, author = {Sermpezis, Pavlos and Spyropoulos, Thrasyvoulos}, title = {Delay analysis of epidemic schemes in sparse and dense heterogeneous contact environments}, year = {2012}, note = {© EURECOM. Personal use of this material is permitted. The definitive version of this paper was published in Research Report RR-12-272 and is available at :}, }