Klein, L. A. Traffic Flow Sensors: Technologies, Operating Principles, and Archetypes. SPIE Digital Library.
Cita Chicago (17th ed.)Klein, Lawrence A. Traffic Flow Sensors: Technologies, Operating Principles, and Archetypes. SPIE Digital Library.
Cita MLA (9th ed.)Klein, Lawrence A. Traffic Flow Sensors: Technologies, Operating Principles, and Archetypes. SPIE Digital Library.
Atenció: Aquestes cites poden no estar 100% correctes.