Paneque A, Del Campo FF, Ramírez JM, Losada M (September 1965). "Flavin nucleotide nitrate reductase from spinach". Biochimica et Biophysica Acta (BBA) - Biophysics Including Photosynthesis. 109 (1): 79–85. doi:10.1016/0926-6585(65)90092-0. PMID5864033.
Paneque A, Del Campo FF, Ramírez JM, Losada M (September 1965). "Flavin nucleotide nitrate reductase from spinach". Biochimica et Biophysica Acta (BBA) - Biophysics Including Photosynthesis. 109 (1): 79–85. doi:10.1016/0926-6585(65)90092-0. PMID5864033.