protected function getLargestArticle( $articleList )
	{
		$largestPacketName	= $this->getNameOfLargestPacket();
		$articleVolumes		= $this->volumes[$largestPacketName];
		asort( $articleVolumes );
		$articleKeys	= array_keys( $articleVolumes );
		do
		{
			$articleName	= array_pop( $articleKeys );
			if( array_key_exists( $articleName, $articleList ) )
				return $articleName;
		}
		while( $articleKeys );
	}