Dobell, GraemeHuisken, RonThatcher, Meredith2021-07-092021-07-0920079781921313554 (Print), 9781921313561 (online)http://hdl.handle.net/1885/238791application/pdfen-AU© 2007 ANU PressThe ‘Arc of Instability’: The History of an Idea200710.22459/HP.12.2007.06