Ördögh, M.; Jámbor-Benczúr, E.; Tilly Mándy, A. In Vitro Propagation of ’Echo’ Cultivars of Eustoma Grandiflorum (Raf.) Shinn. Int. j. hortic. sci. 2005, 11 (2), 87-91. https://doi.org/10.31421/IJHS/11/2/585.