Passenger car spark ignition data base. Volume II: discussion and results. Final report.

National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.

Passenger car spark ignition data base. Volume I: executive summary. Final report.

National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.

Passenger car spark ignition data base. Volume III: miscellaneous data, part I. Final report.

National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.

Passenger car spark ignition data base. Volume III: miscellaneous data, part II. Final report.

National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.