@inproceedings{deSouza2005,
 author = {de Souza, Sergio Cozzetti B. and Anquetil, Nicolas and de Oliveira, K\'{a}thia M.},
 title = {A study of the documentation essential to software maintenance},
 booktitle = {Proceedings of the 23rd annual international conference on Design of communication: documenting \& designing for pervasive information},
 series = {SIGDOC '05},
 year = {2005},
 isbn = {1-59593-175-9},
 location = {Coventry, United Kingdom},
 pages = {68--75},
 numpages = {8},
 url = {http://doi.acm.org/10.1145/1085313.1085331},
 doi = {10.1145/1085313.1085331},
 acmid = {1085331},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {empirical study, program understanding, software maintenance, software system documentation},
}