المؤلفون: Hirshfeld, C. F.

المصدر: Electrical Engineering Electr. Eng. Electrical Engineering. 57(2):61-66 Feb, 1938

المؤلفون: Dawes, C. L., Morrow, L. W. W., Hirshfeld, C. F.

المصدر: Electrical Engineering Electr. Eng. Electrical Engineering. 53(10):1413-1416 Oct, 1934

المؤلفون: Hirshfeld, C. F.

المصدر: Journal of the A.I.E.E. J. A.I.E.E. A.I.E.E., Journal of the. 44(7):708-718 Jul, 1925

المؤلفون: Hirshfeld, C. F.

المصدر: Journal of the A.I.E.E. J. A.I.E.E. A.I.E.E., Journal of the. 48(11):817-820 Nov, 1929

المؤلفون: Hirshfeld, C. F.

المصدر: Electrical Engineering Electr. Eng. Electrical Engineering. 53(6):857-859 Jun, 1934

المؤلفون: Hirshfeld, C. F.

المصدر: Transactions of the American Institute of Electrical Engineers Trans. Am. Inst. Electr. Eng. American Institute of Electrical Engineers, Transactions of the. 48(4):1114-1120 Oct, 1929

المؤلفون: Hirshfeld, C. F.

المصدر: Electrical Engineering Electr. Eng. Electrical Engineering. 51(2):107-107 Feb, 1932

المؤلفون: RUGGLES, COLDEN L'H., Alden, H. W., Hirshfeld, C. F., Dougherty, A. J., Mattice, A. M., Williams, George B., Wyllie, Robert E.

المصدر: Army Ordnance, 1921 Mar 01. 1(5), 237-244.

URL الوصول: https://www.jstor.org/stable/45354455

المؤلفون: Hirshfeld, C. F.

المصدر: Sigma Xi Quarterly, 1932 Mar 01. 20(1), 2-20.

URL الوصول: https://www.jstor.org/stable/27824459

المؤلفون: Hirshfeld, C. F. (Clarence Floyd), 1881-1939.