@article {bollen74spatial,
	title = {Spatial Configuration of Ribosomal Proteins: a Computer-Generated Model of the 30s Unit},
	journal = {Biochemical and Biophysical Research Communications},
	volume = {59},
	number = {3},
	year = {1974},
	pages = {1069-1078},
	author = {Bollen, A. and Cedergren, R.J. and Sankoff, D. and Guy Lapalme}
}
