Essential oils in the Ranunculaceae family: chemical composition of hydrodistilled oils from Consolida regalis, Delphinium elatum, Nigella hispanica, and N. nigellastrum seeds - Kokoska, L; Urbanova, K; Kloucek, P; Nedorostova, L; Polesna, L; Malik, J; Jiros, P; Havlik, J; Vadlejch, J; Valterova, I (Chem Biodivers, 2012)