public function getChannel($accountID, $adclientID, $channelID)
	{
		if ($this->isAuthenticated())
		{
			$url = 'https://www.googleapis.com/adsense/v1.1/accounts/' . urlencode($accountID) . '/adclients/';
			$url .= urlencode($adclientID) . '/customchannels/' . urlencode($channelID);
			$jdata = $this->query($url);

			if ($data = json_decode($jdata->body, true))
			{
				return $data;
			}
			else
			{
				throw new UnexpectedValueException("Unexpected data received from Google: `{$jdata->body}`.");
			}
		}
		else
		{
			return false;
		}
	}