(June, 2008)*Tóth, J.; Kornos L.; Porubčan, V.: "Photographic Leonids 1998 Observed at Modra Observatory", Earth, Moon, and Planets v.82-83:0, 285-294.
(June, 2008)* Ю. Тотг; Л. Корнош; Porubčan, V.: "Photographic Leonids 1998 Observed at Modra Observatory", Earth, Moon, and Planets v.82-83:0, 285-294.