United States. National Bureau of Standards. (1954). Characteristics and applications of resistance strain gages: Proceedings of the N. B. S. semicentennial symposium on resistance strain gages held at the N. B. S. on November 8 and 9, 1951. Govt. Print. Off..
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)United States. National Bureau of Standards. Characteristics and Applications of Resistance Strain Gages: Proceedings of the N. B. S. Semicentennial Symposium on Resistance Strain Gages Held at the N. B. S. on November 8 and 9, 1951. Washington: Govt. Print. Off., 1954.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)United States. National Bureau of Standards. Characteristics and Applications of Resistance Strain Gages: Proceedings of the N. B. S. Semicentennial Symposium on Resistance Strain Gages Held at the N. B. S. on November 8 and 9, 1951. Govt. Print. Off., 1954.