@article{Ohsawa:20143r, author = "Ohsawa, Ryou and Onaka, Takashi and Sakon, Itsuki and Mori, Tamami and Yamamura, Issei and Matsuura, Mikako and Kaneda, Hidehiro and Bernard-Salas, Jeronimo and Berné, Oliver and Joblin, Christine", title = "{Evolution of Planetary Nebulae and PAH features}", doi = "10.22323/1.207.0126", journal = "PoS", year = 2014, volume = "LCDU2013", pages = "126" }