@article {GrannanRS90a,
	title = {Low-temperature properties of a model glass .1. Elastic dipole model},
	journal = {Physical Review B},
	volume = {41},
	year = {1990},
	pages = {7784-7798},
	author = {Grannan, E. R. and Randeria, M. and Sethna, J. P.}
}
