@article{beck2000emergent,
	author="K. Beck",
	title="Emergent Control in Extreme Programming",
	journal="Cutter IT Journal",
	volume="13",
	number="11",
	pages="22--24",
	year="2000"
}

@inproceedings{liberherr1988style,
 author = {K. Lieberherr and I. Holland and A. Riel},
 title = {Object-oriented programming: an objective sense of style},
 booktitle = {OOPSLA '88: Conference proceedings on Object-oriented programming systems, languages and applications},
 year = {1988},
 isbn = {0-89791-284-5},
 pages = {323--334},
 location = {San Diego, California, United States},
 doi = {http://doi.acm.org/10.1145/62083.62113},
 publisher = {ACM Press},
 address = {New York, NY, USA},
 }

@book{eckel200Xpython,
 author = "Bruce Eckel",
 title = "Thinking in Python",
 publisher = "(unpublished work in progress)",
 url = "http://www.mindview.net/Books/TIPython"
}

Design Patterns
 Elements of Reusable Object-Oriented Software

 Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides