"Keyword","KeywordURL","Domain","MetricsURL"
"biodiesel industry","biodiesel-industry","www.friendlyfuel.co.uk","http://www.imrd.com/metrics/www.friendlyfuel.co.uk"
"biodiesel industry","biodiesel-industry","www.electricitybook.com","http://www.imrd.com/metrics/www.electricitybook.com"