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1Bằng George, Kalankamary Pily, 1933-“...Dept. of Commerce, National Technical Information Service,...”
Được phát hành 1996
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2Bằng Hossain, Mustaque“...Kansas Dept. of Transportation ; Available to the public through the National Technical Information Service,...”
Được phát hành 1996
Tài liệu chính phủ Sách -
3Bằng Rowden, LaDonna R.“...Illinois Dept. of Transportation, Bureau of Materials and Physical Research ; Available through the National Technical Information Service,...”
Được phát hành 1996
Sách -
4Được phát hành 1967“...Israel Program for Scientific Translations [available from the U.S. Dept. of Commerce, Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.],...”
Sách