@INPROCEEDINGS{becker:requirements,
  author = {Christoph Becker and Andreas Rauber},
  title = {Requirements modelling and evaluation for digital preservation: A
	{COTS} selection method based on controlled experimentation},
  booktitle = {Proceedings of the ACM Symposium on Applied Computing (SAC'09), Track
	'Requirements Engineering'},
  year = {2009},
  address = {Honolulu, Hawaii, USA},
  publisher = {ACM Press}
}