iCal Subscription: http://www.google.com/calendar/ical/jspifnqp29gtj2r3hhcjcect4k%40group.calendar.google.com/public/basic.ics

XML Subscription for any Feed Reader: http://www.google.com/calendar/feeds/jspifnqp29gtj2r3hhcjcect4k%40group.calendar.google.com/public/basic