1. Avšič S, Korošec J, Potočnik F, Repanšek V, Spanring J, Šilc J (1966) Ljubljanska ledenka. In: Repanšek V (ed) Opis priporočenih sort poljščin in vrtnin. Kmetijski inštitut Slovenije, Ljubljana, pp 145–146
2. Bandelj D, Javornik B (2004) Amplification of fluorescent-labelled microsatellite markers in olives by a novel, economic method. Acta Agric Slovenica 83:323–329
3. Brücková K, Sytar O, Živčák M, Brestič M, Lebeda A (2016) The effect of growth conditions on flavonols and anthocyanins accumulation in green and red lettuce. J Cent Eur Agric 17:986–997
4. Commission of the European Communities (1992) EEC ‘Umbrella’ varieties programme for vegetables (Renewal of the official acceptance of certain old vegetable varieties and derivation of varieties from them—Council Directive 70/458/ECC on the marketing of vegetable seed) 1669/VI, 92-EN: 415–418
5. Crute IR (1992) The role of resistance breeding in the integrated control of downy mildew (Bremia lactucae) in protected lettuce. Euphytica 63:95–102