Haem conformation of amphibian nytrosylhaemoglobins detected by XANES spectroscopyD. Pozzi, G. Amiconi, A. Arcovito, M. Girasole and A. Congiu CastellanoEur. Phys. J. E, 16 4 (2005) 373-379DOI: https://doi.org/10.1140/epje/i2004-10092-2