Polycyclic aromatic hydrocarbon feature deficit of starburst galaxies in the AKARI North Ecliptic Pole Deep fieldK. Murata, H. Matsuhara, H. Inami, T. Wada, T. Goto, L. Armus, C. Pearson, S. Serjeant and T. MiyajiA&A, 566 (2014) A136DOI: https://doi.org/10.1051/0004-6361/201423744