Fixed highway lighting design and operation

Fixed highway lighting design and operation

Библиографические подробности
Соавтор: National Research Council (U.S.). Highway Research Board
Формат: ‌
Язык:English
Опубликовано: Washington, D.C. The Board 1973.
Серии:Highway Research Circular no. 149.
Предметы:
Roads > Lighting.
Roads > Visibility.