@inbook {,
	title = {Some new approaches to the study of the obsidian trade in the Mediterranean and adjacent areas},
	booktitle = {The Spatial organisation of culture},
	series = {New approaches in archaeology},
	year = {1978},
	note = {edited by Ian Hodder.ill. ; 25 cm.Includes index.},
	pages = {179-190},
	publisher = {University of Pittsburgh Press},
	organization = {University of Pittsburgh Press},
	address = {Pittsburgh},
	keywords = {Archaeology Methodology, Culture diffusion, Ethnology Methodology, Material culture},
	isbn = {0822911345},
	author = {Albert J. Ammerman},
	editor = {Hodder, Ian}
}