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- Congratulations on 60th birthday of Assoc. Professor Jozef Timko, D.Sc. / Andrej Godány, Ján Turňa. Biologia . Section A . Section B . Section C , Botany , Zoology , Cellular and molecular biology. - ISSN 0006-3088 . - ISSN 1335-6372 . - ISSN 1335-6380 . - ISSN 1335-6399. - Vol. 58, no. 3 (2003), s. 413 : Obr.
- C 105