@article {8485,
	title = {On the activity of catalysts for ring opening and condensation reactions.},
	journal = {Journal of the University of Chemical Technology and Metallurgy},
	volume = {38},
	year = {2003},
	pages = {331-336. http://dl.uctm.edu/journal/node/j2003-2/ChemOr.htm$\#$14},
	author = {I. Glavchev and D. Pavlov and N. Gospodinova and K. T. Petrova and I. Devedjiev}
}
