301.4
B536G
           Bertalanffy, Ludwing Von
               General system theory foundations development applications \ Ludwing Von Bertalanffy - London : Allen Lane, Penguin Press, 1968.
               xxii, 311p.
                ISBN: 0-7139-0192-6

81713
                Subjects: Social institutions; Science-Social aspects; Urbanization; Social structure.