COOPERATIVE OPTICAL PHENOMENA AT 0,3 KELVIN J. R.G. Thorne, S. T. Bramwell, P. Day, R. G. Denning et A. C. JamesJ. Phys. Colloques, 46 C7 (1985) C7-561-C7-565DOI: https://doi.org/10.1051/jphyscol:19857100
