Feldman, U. (1965). Spectra of highly ionized atoms of the fourth row. Universiṭah ha-ʻIvrit bi-Yerushalayim.
Lua i Stíl Chicago (17ú heag.)Feldman, U. Spectra of Highly Ionized Atoms of the Fourth Row. Israel: Universiṭah ha-ʻIvrit bi-Yerushalayim, 1965.
Lua MLA (8ú heag.)Feldman, U. Spectra of Highly Ionized Atoms of the Fourth Row. Universiṭah ha-ʻIvrit bi-Yerushalayim, 1965.
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