@conference{re2011,
author = "Isabelle C{\^o}t{\'e} and Denis Hatebur and Maritta Heisel and Holger Schmidt",
booktitle = "Proceedings of the International Conference on Requirements Engineering	(RE)",
note = "partners: UDE; projects: NESSoS,  TIER: A",
pages = "349--350",
publisher = "IEEE Computer Society",
title = "{UML}4{PF} -- {A} {T}ool for {P}roblem-{O}riented {R}equirements {A}nalysis",
year = "2011",
}