RANGESEPARATOR defines the separator that is used when a sequence of consecutively numbered citations is displayed as a range.
<CITSTYLE INTEXTSEQUENCE="AUTHORDATE" BIBLIOSEQUENCE="BASIS"> <CITSEPARATOR>;</CITSEPARATOR> <RANGESEPARATOR>-</RANGESEPARATOR> <BIBLIOTITLE>Bibliography</BIBLIOTITLE> <INTEXTDEF> <REFNUMBER; <PRECEEDING>[</PRECEEDING> <FOLLOWING>]</FOLLOWING> </REFNUMBER> </INTEXTDEF> </CITSTYLE>