S. Bastani, Family comes first: Men's and women's personal networks in Tehran, Social Networks: this issue, 2006.
DOI : 10.1016/j.socnet.2007.01.004

C. Bidart, L'amitié, un lien social. La découverte, Paris. (NOT CITED, 1997.

A. Degenne and M. Et-lebeaux, L'entraide entre les ménages: un facteur d'inégalités sociales ? Sociétés Contemporaines, pp.21-42, 1991.

A. Ferrand, L. Mounier, and A. Degenne, The Diversity of Personal Networks in France: Social Stratification and Relational Structures, Networks in the Global Village. Life in Contemporary Communities. Westview, pp.185-224, 1999.
URL : https://hal.archives-ouvertes.fr/halshs-00271133

C. S. Fischer, To Dwell Among Friends, 1982.

C. S. Fischer and Y. Shavit, National differences in network density: Israel and the United States, Social Networks, vol.17, issue.2, pp.129-145, 1995.
DOI : 10.1016/0378-8733(94)00251-5

M. Granovetter, The Strength of Weak Ties, American Journal of Sociology, vol.78, issue.6, pp.1360-80, 1973.
DOI : 10.1086/225469

M. Grossetti and M. Bes, Interacting Individuals and Organizations: a Case Study on Cooperations Between Firms and Research Laboratories, Economics with Heterogeneous Interacting Agents, pp.287-302, 2001.
DOI : 10.1007/978-3-642-56472-7_18
URL : https://hal.archives-ouvertes.fr/halshs-00476922

M. Grossetti, Relations sociales, espace et mobilités Report for the Plan Urbanisme Contruction Architecture Mobilités et territoires urbains " program, 150 pages, 2002.

M. Hennig, Re-evaluating the Community Question from a German perspective, Social Networks: this issue, 2006.
DOI : 10.1016/j.socnet.2007.01.008

F. Héran, Un monde s??lectif : les associations, Economie et statistique, vol.208, issue.1, pp.17-31, 1987.
DOI : 10.3406/estat.1988.5182

F. Héran, La sociabilit??, une pratique culturelle, Economie et statistique, vol.216, issue.1, pp.3-21, 1989.
DOI : 10.3406/estat.1988.5267

L. Bras and H. , Les trois France Seuil, Paris. (YEAR DISCREPANCY with CITATION), 1985.

E. Sik and B. Wellman, Network Capital in Capitalist, Communist, and Postcommunist Countries, Networks in the Global Village. Life in Contemporary Communities. Westview, pp.225-254, 1999.

B. Wellman, The Community Question: The Intimate Networks of East Yorkers, American Journal of Sociology, vol.84, issue.5, 1979.
DOI : 10.1086/226906

B. Wellman and C. Haythornthwaite, The Internet in Everyday Life, 2002.
DOI : 10.1002/9780470774298

B. Wellman and S. Wortley, Different Strokes from Different Folks: Community Ties and Social Support, American Journal of Sociology, vol.96, issue.3, pp.558-88, 1990.
DOI : 10.1086/229572