Carl C. Levy et Gerald D. Weinstein, « The Metabolism of Coumarin by a Microorganism. II. The Reduction of o-Coumaric Acid to Melilotic Acid », Biochemistry, vol. 3, no 12, , p. 1944–7 (PMID14269315, DOI10.1021/bi00900a027)
Carl C. Levy et Gerald D. Weinstein, « The Metabolism of Coumarin by a Microorganism. II. The Reduction of o-Coumaric Acid to Melilotic Acid », Biochemistry, vol. 3, no 12, , p. 1944–7 (PMID14269315, DOI10.1021/bi00900a027)