% pubman genre = article
@article{item_1554944,
title = {{Geochemical sources for the terminal Pleistocene/early Holocene obsidian artifacts of the site of Beseka, central Ethiopia}},
author = {Negash, Agazi and Alene, Mulugete and Brown, F. H. and Nash, B. P. and Shackley, M. S.},
language = {eng},
doi = {10.1016/j.jas.2006.10.010},
year = {2007},
date = {2007},
journal = {{Journal of Archaeological Science}},
volume = {34},
number = {8},
pages = {1205--1210},
}