C J Helander

发表

Estimating the exposure and fatal crash rates of suspended/revoked and unlicensed drivers in California.

R C Peck, D J DeYoung, C J Helander, 1997, Accident; analysis and prevention.

An evaluation of the California drunk driving countermeasure system, volume 5: the California dui countermeasure system: an evaluation of system processing and deficiencies

C J Helander, 1986 .

1992 ANNUAL REPORT OF THE CALIFORNIA DUI MANAGEMENT INFORMATION SYSTEM

C J Helander, H N Tashima, 1992 .

1994 ANNUAL REPORT OF THE CALIFORNIA DUI MANAGEMENT INFORMATION SYSTEM

C J Helander, H N Tashima, 1994 .

THE CALIFORNIA DUI COUNTERMEASURE SYSTEM: AN EVALUATION OF SYSTEM PROCESSING AND DEFICIENCIES : VOLUME 5 OF AN EVALUATION OF THE CALIFORNIA DR

C J Helander, 1986 .

DEVELOPMENT AND EVALUATION OF A RISK ASSESSMENT STRATEGY FOR MEDICALLY IMPAIRED DRIVERS: VOLUME 8 OF AN EVALUATION OF THE CALIFORNIA DRUNK DRIVING COUNTERMEASURE SYSTEM

C J Helander, 1986 .

EVALUATION OF THE CALIFORNIA DRUNK DRIVING COUNTERMEASURE SYSTEM. VOLUME 5. THE CALIFORNIA DUI (DRIVING UNDER THE INFLUENCE) COUNTERMEASURE SYSTEM: AN EVALUATION OF SYSTEM PROCESSING AND DEFICIENCIES

C J Helander, 1986 .

DUI COUNTERMEASURES IN CALIFORNIA: WHAT WORKS AND WHAT DOESN'T, WITH RECOMMENDATIONS FOR LEGISLATIVE REFORM

C J Helander, 2002 .

DEVELOPMENT OF A CALIFORNIA DUI MANAGEMENT INFORMATION SYSTEM

C J Helander, 1989 .

1997 ANNUAL REPORT OF THE CALIFORNIA DUI MANAGEMENT INFORMATION SYSTEM

C J Helander, H N Tashima, 1997 .

1996 ANNUAL REPORT OF THE CALIFORNIA DUI MANAGEMENT INFORMATION SYSTEM

C J Helander, H N Tashima, 1996 .