@article {NewmanRBS93,
	title = {Real-space renormalization-group for the random-field {I}sing-model},
	journal = {Physical Review B},
	volume = {48},
	year = {1993},
	pages = {16533-16538},
	author = {Newman, M. E. J. and Roberts, B. W. and Barkema, G. T. and Sethna, J. P.}
}
