\input zb-basic \input zb-ioport \iteman{io-port 70660359} \itemau{Allali, Julien; Sagot, Marie-France} \itemti{Novel tree edit operations for RNA secondary structure comparison} \itemso{WABI, 412-425 (2004).} \itemcc{} \itemut{} \itemli{doi:10.1007/978-3-540-30219-3\_35} \end