@incollection {Heun/2003b,
	title = {{Approximate Protein Folding in the HP Side Chain Model on Extended Cubic Lattices}},
	journal = {Computational Molecular Biology},
	booktitle = {Computational Molecular Biology},
	series = {Topics in Discrete Mathematics},
	volume = {12},
	year = {2003},
	note = {ISBN: 978-0-444-51384-7},
	publisher = {North Holland},
	keywords = {heun-group},
	url1 = {<a href="http://www.elsevier.com/wps/find/bookdescription.cws_home/672802/description$\#$description">Link</a>},
	author = {Volker Heun},
	editor = {S. Istrail and P. Pevzner and R. Shamir}
}