@Article{robles2009:tools,
  author    = 	 {Gregorio Robles and Jesus M. Gonzalez-Barahona and Daniel Izquierdo-Cortazar and Israel Herraiz},
  title     = 	 {Tools for the study of the usual data sources found in libre software projects},
  journal   = 	 {International Journal of Open Source Software and Processes},
  year      = 	 {2009},
  volume    = 	 {1},
  number    = 	 {1},
  pages     = 	 {24--45},
  month     = 	 {Jan-March},
}