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Original Spanish version:
"Guia osteologica de camelidos sudamericanos"
Victor R. Pacheco Torres, Alfredo Altamirano Enciso and Enma Guerra Porras
Universidad Nacional Mayor de San Marcos
Gabinete de Arqueologia - Colegio Real
Serie Investigaciones No 4
Lima 1979
English translation:
"The Osteology of South American Camelids"
Victor R. Pacheco Torres, Alfredo Altamirano Enciso and Enma Guerra Porras
translated by Elsie Sandefur
Archaeological Research Tools, Volume 3
Institute of Archaeology
University of California, Los Angeles
Pacheco Torres has done a lot of work with trying to distinguish between the various forms of camelids.
Kristen Gardella