300
B627C
           Blalock, H M (Ed.)
               Casual models in the social sciences \ H M Blalock - London : Macmillan, 1972.
               xi, 515p. - Methodological perspectives/ed. by Richard J Hill .
                ISBN: 0-333-13370-6

80835
                Subjects: Social problems; Economics-Sociological aspects; Socialism.