Habermas, Jurgen. On the logic of the social sciences / Jurgen Habermas. - Great Britain : Polity Press , 1990 rep 1998. - xiv,220p. : ill.,figs ; 24cm . NULL ISBN: 0745608620 UKP 12.95 Subjects--Index Terms: SOCIAL SCIENCES Dewey Class. No.: 300 / HAB/O