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Report of highway research at Pittsburg, California, 1921 and 1922.

APA Citation

California. Highway Commission. (1923). Report of highway research at Pittsburg, California, 1921 and 1922. Sacramento.

California. Highway Commission. Report of Highway Research At Pittsburg, California, 1921 And 1922. Sacramento, 1923.

Warning: These citations may not always be complete (especially for serials).