Bridgman, Percy W. (1925). "Certain Physical Properties of Single Crystals of Tungsten, Antimony, Bismuth, Tellurium, Cadmium, Zinc, and Tin". Proceedings of the American Academy of Arts and Sciences. 60 (6): 305–383. doi:10.2307/25130058. JSTOR. 25130058 .{{cite journal}}: Check |jstor= value (help)
Bridgman, Percy W. (1925). "Certain Physical Properties of Single Crystals of Tungsten, Antimony, Bismuth, Tellurium, Cadmium, Zinc, and Tin". Proceedings of the American Academy of Arts and Sciences. 60 (6): 305–383. doi:10.2307/25130058. JSTOR. 25130058 .{{cite journal}}: Check |jstor= value (help)