B. Cosge, B. Gurbuz, B. Gurbuz, and A. Ipek, “GC-MS ANALYSIS OF THE ESSENTIAL OIL FROM THE SEED OF SWEET FENNEL (FOENICULUM VULGARE MILL. VAR. DULCE) GROWN IN TURKEY”, Afr J Tradit Complement Altern Med, vol. 6, p. 370, May 2009.