@inproceedings { 310,
	title = {An empirical study of Requirements Model understanding: Use Case vs. Tropos models},
	journal = {25th ACM Symposium on Applied Computing },
	year = {2010},
	author = {Hadar, I. and Reinhartz-Berger, I. and Kuflik, T. and Perini, A. and Ricca, F. and Susi, A.}
}