Rolovs, B., & ︠I︡Urkevich, V. Ė. (1978). The condensed state physics. Latvian State University.
Lua i Stíl Chicago (17ú heag.)Rolovs, B., agus Vitold Ėduardovich ︠I︡Urkevich. The Condensed State Physics. Riga: Latvian State University, 1978.
Lua MLA (8ú heag.)Rolovs, B., agus Vitold Ėduardovich ︠I︡Urkevich. The Condensed State Physics. Latvian State University, 1978.
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