1. Techniques for analyzing overlapping memberships;Bonacich,1972
2. Factoring and weighting approaches to clique identification;Bonacich;Journal of Mathematical Sociology,1972
3. The duality of persons and groups;Breiger;Social Forces,1974
4. Finite Graphs and Networks: An Introduction with Applications;Busacker,1965
5. Introduction to Matrices and Linear Transformations;Finkbeiner,1966