00380nam a2200133Ia 450000100060000000800410000604000130004708200190006010000230007924500810010226000450018330000110022854600070023920618140408s9999    xx            000 0 und d  cPK-LaUMT  a 302.13bCOL-C  aDavid Collingridge  aCritical decision making:bA new theory of social choicecDavid Collingridge  aNew York,USA:bSt. Martin's Press,c1982  a189 p.  aEN