%0 journal article %@ 1022-1352 %A Kricheldorf, H.R., Fritsch, D., Vakhtangishvili, L., Schwarz, G. %D 2005 %J Macromolecular Chemistry and Physics %N 22 %P 2239-2247 %R doi:10.1002/macp.200500280 %T Cyclic Ladder Polymers by Polycondensation of Silylated Tetrahydroxy-tetramethylspirobisindane with 1,4-Dicyanotetrafluorobenzene %U https://doi.org/10.1002/macp.200500280 22 %X cyanopentafluorobenzene gave crosslinked products.