Очень нужна статья:
A Standardized Test for the Identification and Characterization of Melanins Using Electron Paramagnetic Resonance (EPR) Spectroscopy
W. S. ENOCHS, M. J. NILGES, H. M. SWARTZ
Pigment Cell Research - PIGM CELL RES , vol. 6, no. 2, pp. 91-99, 1993
- DOI:
http://dx.doi.org/10.1111/j.1600-0749.1993.tb00587.x