A. Khazaei, A. Amini Manesh, H. Ali Alavi-Nik, and Z. Toodeh Roosta, “SnCl2·2H2O and Ni(OAc)2·4H2O: Efficient Heterogeneous Inorganic Catalysts for the Chemoselective Synthesis of Geminal Diacetates (Acylal) Under Solvent-Free Conditions”, ajc, vol. 23, no. 2, pp. 627–630, Oct. 2010.