How small are building blocks of complex networks

Almerima Jamakovic Priya Mahadevan Amin Vahdat Marián Boguñá Dmitri V. Krioukov How small are building blocks of complex networks http://arxiv.org/abs/0908.1143 2009 CoRR abs/0908.1143 db/journals/corr/corr0908.html#abs-0908-1143 informal publication