F. Belal, S. A.-M. A. El-Razeq, M. M. Fouad, and F. A. Fouad, “Spectrofluorimetric analysis of menbutone in veterinary formulations: Application to residue determination in bovine meat and milk”, Eur. J. Chem., vol. 7, no. 2, pp. 156–160, Jun. 2016.