National Parts Return Program. Final report. Volume 1 - independent repair facilities.

National Highway Traffic Safety Administration, Washington, D.C.

National Parts Return Program. Final report. Volume 2 - the expansion study.

National Highway Traffic Safety Administration, Washington, D.C.

National Parts Return Program. Final report. Volume 3 - PRP news and program inputs.

National Highway Traffic Safety Administration, Washington, D.C.

National Parts Return Program. Final report.

National Highway Traffic Safety Administration, Office of Defects Investigation, Washington, D.C.

National Parts Return Program. Volume II. Final report.

National Highway Traffic Safety Administration, Office of Defects Investigations, Washington, D.C.

National Parts Return Program. Volume I. Final report.

National Highway Traffic Safety Administration, Office of Defects Investigations, Washington, D.C.