@ARTICLE {,
title = {Andrej Tirpák: Elektromagnetizmus (POLYGRAFIA SAV, Bratislva 1999)},
author = {Obert, Teodor},
journal = {Obzory matematiky, fyziky a informatiky},
year = {1999},
volume = {28},
number = {58},
pages = {66--68},
issn = {1335-4981},
}