@article {RobertsBS96,
	title = {A bound on the decay of defect-defect correlation functions in two-dimensional complex order parameter equations},
	journal = {Physica D},
	volume = {99},
	year = {1996},
	pages = {252-268},
	author = {Roberts, B. W. and Bodenschatz, E. and Sethna, J. P.}
}
