Extended Red Emission and the evolution of carbonaceous nanograins in NGC 7023O. Berné, C. Joblin, M. Rapacioli, J. Thomas, J.-C. Cuillandre and Y. DevilleA&A, 479 3 (2008) L41-L44DOI: https://doi.org/10.1051/0004-6361:20079158
