Não informado. (1922). Commentationes physico-mathematicae. Finnish Society of Sciences and Letters.
Lua i Stíl Chicago (17ú heag.)Não informado. Commentationes Physico-mathematicae. Helsinki: Finnish Society of Sciences and Letters, 1922.
Lua MLA (8ú heag.)Não informado. Commentationes Physico-mathematicae. Finnish Society of Sciences and Letters, 1922.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.