Denys Poshyvanyk Massimiliano Di Penta Huzefa H. Kagdi Sixth international workshop on traceability in emerging forms of software engineering: (TEFSE 2011). 1214-1215 2011 ICSE http://doi.acm.org/10.1145/1985793.1986052 conf/icse/2011 db/conf/icse/icse2011.html#PoshyvanykPK11