B. T. Aluja and L. Lebart, Local and Partial Principal Component Analysis and Correspondence Analysis, COMPSTAT Proceedings, pp.113-118, 1984.

H. Benali and B. Escofier, Analyse factorielle lissèe et analyse factorielle des diffèrences locales. Revue de Statistique Appliquèe, vol.38, pp.55-76, 1990.

D. Stefano, D. Fuccella, V. Vitale, M. P. Zaccarin, and S. , The use of different data sources in the analysis of co-authorship networks and scientific performance, Social Networks, vol.35, pp.370-381, 2013.

M. R. D'esposito, D. De-stefano, and G. Ragozini, On the use of Multiple Correspondence Analysis to visually explore affiliation networks, Social Networks, vol.38, pp.28-40, 2014.

A. Ferligoj and L. Kronegger, Clustering of Attribute and/or Relational Data, Metodoloski Zvezki, vol.6, pp.135-153, 2009.

G. Giordano and M. P. Vitale, Factorial Contiguity Maps to Explore Relational Data Patterns. Statistica applicata, vol.19, pp.297-306, 2007.

G. Giordano and M. P. Vitale, On the use of auxiliary information in Social Network Analysis, Advances in Data Analysis and Classification (ADAC), vol.5, pp.95-112, 2011.

P. Lazarsfeld and R. K. Merton, Friendship as a Social Process: A Substantive and Methodological Analysis, Freedom and Control in Modern Society, Berger, M, pp.18-66, 1954.

G. S. Maddala, A Perspective on the Use of Limited-Dependent and Qualitative Variables Models in Accounting Research, The Accounting Review, vol.66, pp.788-807, 1991.

M. Mcpherson, L. Smith-lovin, and J. Cook, Birds of a Feather: Homophily in Social Networks, Annual Review of Sociology, vol.27, pp.415-459, 2001.

T. Opsahl and P. Panzarasa, Clustering in weighted networks, Social Networks, vol.31, pp.155-163, 2009.

G. Ragozini, D. De-stefano, and M. R. D'esposito, Multiple factor analysis for time-varying two-mode networks, Network Science, vol.3, pp.18-36, 2015.

G. L. Robins, P. Pattison, Y. Kalish, and D. Lusher, An introduction to exponential random graph (p*) models for social networks, Social Networks, vol.29, pp.173-191, 2007.

Y. Takane and T. Shibayama, Principal component analysis with external information on both subjects and variables, Psychometrika, vol.56, issue.1, pp.97-120, 1991.