@conference {2008|1545,
	title = {OPERA: An OPtimized coarsed-grained Energy model for RnA},
	booktitle = {Publication Series of the John von Neumann Institute for Computing NIC Series},
	volume = {40},
	year = {2008},
	pages = {185{\textendash}187},
	author = {C. Colas and Phuong Hoang Nguyen and J-C. Gelly and Philippe Derreumaux}
}
