Diversity and stability of lactic acid bacteria during rye sourdough propagation = Piimhappebakterite mitmekesisus ja stabiilsus rukkileivajuuretise uuendamiselViiard, Ene2014 https://www.ester.ee/record=b4440228*est Selection of functional starter bacteria for type I sourdough process = Funktsionaalsete starterbakterite selektsioon tüüp I rukkileivajuuretise tootmiseksSurženko, Marianna2017 https://digi.lib.ttu.ee/i/?7674