1. Measuring the effects of social innovations by means of time-series;Campbell Donald,1972
2. The Effect of the 18-Year-Old Drinking Age on Auto Accidents;Cucchiaro;M.I.T. Operations Research Center Working Paper 034-746,1974
3. Research on Road Safety;Department of Scientific Research and Road Research Laboratory,1963
4. The Effect of Lower Legal Drinking Ages on Youth Crash Involvement;Douglass;Report to NHTSA, Washington, D.C.,1974
5. Probability and Statistical Inference for Scientists and Engineers;Gibra Issac,1973