Key points are not available for this paper at this time.
Martin S. Geisel, Richard Roll, R. Stanton Wettick, Jr., The Effectiveness of State and Local Regulation of Handguns: A Statistical Analysis, Duke Law Journal, Vol. 1969, No. 4 (Aug., 1969), pp. 647-676
Geisel et al. (Fri,) studied this question.