Liu, J.(2012).
The Role of ICAO in Regulating the Greenhouse Gas Emissions of Aircraft.
<em>Carbon &amp; Climate Law Review, 5</em>(4).
Retrieved from <a href="https://doi.org/10.21552/CCLR/2011/4/199">https://doi.org/10.21552/CCLR/2011/4/199</a>