%0 Journal Article %J Journal of the University of Chemical Technology and Metallurgy %D 2003 %T On the activity of catalysts for ring opening and condensation reactions. %A I. Glavchev %A D. Pavlov %A N. Gospodinova %A K. T. Petrova %A I. Devedjiev %P 331-336. http://dl.uctm.edu/journal/node/j2003-2/ChemOr.htm#14 %V 38