Nikšić, H.; Kovač-Bešović, E.; Durić, K.; Korać, N.; Omeragić, E.; Muratović, S. Seasonal Variation in Content and Chemical Composition of Essential Oils from Leaves of Mentha Longifolia Huds. (Lamiaceae). Glas. hem. tehnol. Bosne Herceg. 2014, 43, 29-34.