how to synch ical with an online google calendar
i do NOT want to connect the google calender to iCal (add an account,...)
I am looking for a possibillitie to SYNCHRONICE data between the two.
Without having both in my iCal (and have one date here and an other one there...)
can someone help?
thx,
jjahn
MacBook Pro with Retina display, OS X Mountain Lion (10.8.4)