(2006). Public education and enforcement research study: Safety of highway-rail grade crossings / Suzanne Sposato, Patrick Bien-Aime, and Mina Chaudhary.
Chicago-čujuhus (17. p.)Public Education and Enforcement Research Study: Safety of Highway-rail Grade Crossings / Suzanne Sposato, Patrick Bien-Aime, and Mina Chaudhary. 2006.
MLA-čujuhus (9. p.)Public Education and Enforcement Research Study: Safety of Highway-rail Grade Crossings / Suzanne Sposato, Patrick Bien-Aime, and Mina Chaudhary. 2006.
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