Potential means of cost reduction in grade crossings motorist-warning control equipment. Volume II: comparison of solid state and relay devices and techniques. Final report.

Transportation Systems Center, Cambridge, Mass.

Studies to develop and investigate an inverse formulation for numerically solving three-dimensional free surface potential fluid flows,

Research carried out under Naval Ship Systems Command, General Hydromechanics Research Program, subproject SR 009 01 01, administered by the Naval Ship Research and Development Center, contract no. N00014-67-A-0220-0003.

An assessment of the potential impact of combustion research on internal combustion engine emissions and fuel consumption. Final report.

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

Economic assessment of potential hazardous waste control guidelines for the inorganic chemical industry /

Mode of access: Internet.

An environmental assessment of potential gas and leachate problems at land disposal sites /

Includes bibliographical references (pages 32-33).