Catalytic ethanolysis of soybean oil witrth immobilized lipase from candida antarctica and 1H NMR and GC quatification of the ethyl esters (biodiesel) produced - Rosset, Isac G; Tavares, Maria Cecilia Henrique; Assaf, Elisabete Moreira; Porto, Andre Luiz Meleiro (Applied Catalysis A: General, 2011)