@techreport{6b8cc8e28eca4ac9bcb706aa19eb5aee,
title = "Ubi materia, ibi geometria",
keywords = "electromagnetic theory, electromagnetic theory, electromagnetic theory",
author = "Ari Sihvola",
year = "2000",
language = "English",
series = "Report 339",
publisher = "Teknillisen korkeakoulun s{\"a}hk{\"o}magnetiikan laboratorio",
number = "S{\"a}hk{\"o}magnetiikan laboratorion julkaisusarja",
pages = "8",
type = "WorkingPaper",
institution = "Teknillisen korkeakoulun s{\"a}hk{\"o}magnetiikan laboratorio",
}