M. Toqtarbek, G. Burasheva, B. Eskalieva, Z. Abilov, and A. Turgumbaeva, “Organic acids Black (Carum black) and Zeravshansky (Bunium seravschanicum) caraway seeds”, Chemical Bulletin of Kazakh National University, vol. 65, no. 1, pp. 423-427, Mar. 2012.