quick search did not turn up the version you want.
have you tried
- UnDisker Undisker is a disk image utility that can open, create, and extract ISO files
http://www.undisker.com/- IsoBuster - its freeware & shareware.
http://www.smart-projects.net/isobuster/- WinISO - shareware
http://www.winiso.com/- MagicISO
http://www.magiciso.com/- CDRWin can also handle CG+G format
http://www.hitsquad.com/smm/programs/CDRWIN/- Macimage can create a hybrid HFS/ISO CD-ROM
http://www.macdisk.com/mimhyben.php3