Muirhead, Hilary; Cox, Joyce M.; Mazzarella, L.; Perutz, Max F. (1967). "Structure and function of haemoglobin: III. A three-dimensional fourier synthesis of human deoxyhaemoglobin at 5.5 Å resolution". J. Mol. Biol.28 (1): 117–156. doi:10.1016/S0022-2836(67)80082-2. PMID6051747.
Muirhead, Hilary; Cox, Joyce M.; Mazzarella, L.; Perutz, Max F. (1967). "Structure and function of haemoglobin: III. A three-dimensional fourier synthesis of human deoxyhaemoglobin at 5.5 Å resolution". J. Mol. Biol.28 (1): 117–156. doi:10.1016/S0022-2836(67)80082-2. PMID6051747.