id	keyword
american_scientific_journal-4098	oil
american_scientific_journal-4098	biodiesel
american_scientific_journal-4098	volume
american_scientific_journal-4098	sese
american_scientific_journal-4098	catalysis
american_scientific_journal-4098	oils
american_scientific_journal-4098	wild
american_scientific_journal-4098	astm
american_scientific_journal-4098	acid
american_scientific_journal-4098	fuel
american_scientific_journal-4098	reference
american_scientific_journal-4098	vegetable