I. Hussain, R. Gillani, V. McKee, M. Kose, Z. Ali, and H. Hussain, “Synthesis, Characterization and X-Ray Crystal Structure of Dizinc(II) Complex of Pseudo Calixarene Macrocycle Based on 2,2-Methylene-bis[(6-formyl)-4-tert-butylphenol] and 1,3-Diamino-2-propanol”, ajc, vol. 27, no. 7, pp. 2630–2634, Mar. 2015.