Ronald S. Karpf

Teenaged Drivers and Fatal Crash Responsibility. Preliminary Report.

Allan F. Williams, Ronald S. Karpf, 1982 .

TEENAGE DRIVERS AND FATAL CRASH RESPONSIBILITY

Allan F. Williams, Ronald S. Karpf, R. Karpf, 1984 .

TEENAGE DRIVERS AND MOTOR VEHICLE DEATHS

Allan F. Williams, Ronald S. Karpf, R. Karpf, 1983 .

Ranking academic departments: Empirical findings and a theoretical perspective

David E. Drew, Ronald S. Karpf, R. Karpf, 1981 .

THE EFFECT OF RAISING THE LEGAL MINIMUM DRINKING AGE ON FATAL CRASH INVOLVEMENT

Allan F. Williams, Paul L. Zador, Ronald S. Karpf, 1981 .