Michael K. Spayd Evolving Agile in the Enterprise: Implementing XP on a Grand Scale. 60-70 2003 conf/agiledc/2003 Agile Development Conference http://csdl.computer.org/comp/proceedings/adc/2003/2013/00/20130060abs.htm db/conf/agiledc/agiledc2003.html#Spayd03