Luc Anselin and Ibnu Syabri and Youngihn Kho.
GeoDa: An Introduction to Spatial Data Analysis.
In Geographical Analysis, vol. 38, no. 1, pp. 5--22, 2006.

Bibtex:

@Article{        anselin:2006:ISDA,
  author = 	 "Luc Anselin and Ibnu Syabri and Youngihn Kho",
  title = 	 "GeoDa: An Introduction to Spatial Data Analysis",
  journal = 	 "Geographical Analysis",
  year = 	 "2006",
  volume = 	 "38",
  number = 	 "1",
  pages = 	 "5--22",
  month = 	 "January",
}