Ogunlaja, Adeniyi S.; Khene, Samson; Antunes, Edith; Nyokong, Tebello; Torto, Nelson; Tshentu, Zenixole R.
Applied Catalysis A: General, 2013 , vol. 462-463, p. 157 - 167

Peng, Yao
Journal of Chemical Research, 2014 , vol. 38, # 5 p. 265 - 268

Khodaei, Mohammad Mehdi; Nazari, Ehsan
Chemistry Letters, 2010 , vol. 39, # 4 p. 390 - 391

Challenger; Harrison
J. Inst. Petr. Technol., 1935 , vol. 21, p. 135,153