@article{ref1,
title="Violence in Iraq and Nigeria, OPEC cuts output, admits Angola",
journal="Oil and energy trends",
year="2007",
author="",
volume="32",
number="1",
pages="6-6",
abstract="This  section  summarizes  downstream  developments  of  the  previous  month.    Exploration  &    Production  are  covered  in  'Upstream  Review'.<p />",
language="",
issn="1744-7992",
doi="10.1111/j.1744-7992.2007.311106.x",
url="http://dx.doi.org/10.1111/j.1744-7992.2007.311106.x"
}