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1Książka“…United States. Federal Highway Administration. Offices of Research and Development…”
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2Książkaod Miklofsky, Haaren A.“…United States. Federal Highway Administration. Offices of Research and Development…”
Wydane 1977
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3Materiały konferencyjne KsiążkaWydane 1975“…United States. Federal Highway Administration. Offices of Research and Development…”