Omura T, Sanders E, Estabrook RW, Cooper DY and Rosenthal O. Isolation from adrenal cortex of a nonheme iron protein and a flavoprotein functional as a reduced triphosphopyridine nucleotide-cytochrome P-450 reductase. Arch. Biochem. Biophys. 1966, 117: 660–673. doi:10.1016/0003-9861(66)90108-1.
Shin M, Tagawa K and Arnon DI. Crystallization of ferredoxin-TPN reductase and its role in the photosynthetic apparatus of chloroplasts. Biochem. Z. 1963, 338: 84–96. PMID14087348.