@book {,
	title = {Understanding Early Civilizations: A comparative study},
	year = {2003},
	note = {Bruce G. Trigger.ill., maps ; 25 cm.Introduction: Rationalism and relativism ; Comparative studies ; Defining {\textquoteright}early civilization{\textquoteright} ; Evidence and interpretation -- Sociopolitical Organization: Kingship ; States: city and territorial ; Urbanism ; Class systems and social mobility ; Family organization and gender roles ; Administration ; Law ; Military organization ; Sociopolitical constants and variables -- Economy: Food production ; Land ownership ; Trade and craft specialization ; Appropriation of wealth ; Economic constants and variables -- Cognitive and Symbolic Aspects: Conceptions of the supernatural ; Cosmology and cosmogony ; Cult ; Priests, festivals, and the politics of the supernatural ; The individual and the universe ; Elite art and architecture ; Literacy and specialized knowledge ; Values and personal aspirations ; Cultural constants and variables -- Discussion: Culture and reason ; Conclusion.},
	pages = {xiii, 757},
	publisher = {Cambridge University Press},
	organization = {Cambridge University Press},
	address = {Cambridge ; New York},
	keywords = {Ancient., Civilization, Prehistoric peoples., Social archaeology.},
	isbn = {0521822459 (hbk.)},
	url = {http://www.loc.gov/catdir/description/cam031/2002074052.htmlhttp://www.loc.gov/catdir/samples/cam034/2002074052.htmlhttp://www.loc.gov/catdir/description/cam031/2002074052.htmlhttp://www.loc.gov/catdir/toc/cam031/2002074052.htmlhttp://www.loc.gov/catdir/d},
	author = {Trigger, Bruce G.}
}