@inproceedings{compsci1871, booktitle = {AOSD}, month = {["lib/utils:month\verb1_11871" not defined]}, title = {Semantics-based composition for aspect-oriented requirements engineering}, author = {R. Chitchyan and A. Rashid and P. Rayson and R. Waters}, year = {2007}, pages = {36--48}, url = {http://eprints.comp.lancs.ac.uk/1871/} }