@inbook {, title = {The Upper (Middle and Late) Formative in the Titicaca Region}, booktitle = {Advances in Titicaca Basin Archaeology-1}, year = {2005}, pages = {65-94}, publisher = {Cotsen Institute of Archaeology}, organization = {Cotsen Institute of Archaeology}, address = {Los Angeles, California}, keywords = {mound monumental exchange titicaca evolution yaya-mama}, author = {Hastorf, Christine A.}, editor = {Stanish, Charles and Cohen, Amanda and Aldenderfer, Mark} }