Carnahan Conference on Crime Counter-measures,Lexington,KY.1980 Carnahan Conference on Crime Counter-measures,Lexington,KY.1979 Carnahan Conference on Crime Counter-measures,Lexington,KY.1981 1980 Carnahan Conference,on Crime Counter-measures,May 14-16,1980 1979 Carnahan Conference,on Crime Counter-measures,May 16-18,1979 1981 Carnahan Conference,on Crime Counter-measures,May 13-15,1981 National Conference on Weights and Measures John S.Jackson, Carnahan Conference on Crime Counter-measures,Lexington,KY.1980 John S.Jackson, Carnahan Conference on Crime Counter-measures,Lexington,KY.1979 Carnahan Conference on Security Technology (1983:Zurich)