ELIÁŠ, Pavol. Fluctuations of flowering plants numbers in local populations of a monocarpic species (Verbrascum speciosum Schrad.) at northern limit of its geograpfical distribution: twenty years study. In PopBio 2016. 1st ed. online (110 s.) PopBio. Průhonice : Academy of Sciences of the Czech Republic, 2016, s. 65, online. Dostupné na internete:<http://popbio2016.ibot.cas.cz/pdf/abstract_book_Popbio_2016.pdf>