%0 Conference Proceedings %B 17th Internnational Conference on Requirements Engineering (RE09) %D 2009 %T Intellectual Property Rights Requirements for Heterogeneously Licensed Systems %A Alspaugh, Thomas %A Hazeline U. Asuncion %A Walt Scacchi %B 17th Internnational Conference on Requirements Engineering (RE09) %C Atlanta, GA %8 09/2009 %G eng