E. S.  Gnanakumar, Thushara, K. S., Bhange, D. S., Mathew, R., Ajithkumar, T. G., Rajamohanan, P. R., Bhaduri, S., and Gopinath, C. S., ?MgCl2 center dot 6PhCH(2)OH - a new molecular adduct as support material for ziegler-natta catalyst: synthesis, characterization and catalytic activity?, Dalton Transactions, vol. 40, no. 41, pp. 10936-10944, 2011.