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3. Bressers H.Th.A. (1985), Milieu op de markt (Environment on the market), Amsterdam, Kobra.
4. Bressers H.Th.A. and Klok P.J. (1988), Fundamentals for a theory of policy instruments, in: International Journal of Social Economics, Vol. 15, No. 3–4, 1988, pp. 22–41.
5. Bressers H.Th.A. (1989), Naar een nieuwe cybernetica in de beleidswetenschap (Towards a new cybernetics in the policy science), inaugural speech, Enschede: University of Twente.