@inproceedings{Xu:2013FD, author = "Xu, Dawei", title = "{Eigenvector space of narrow-line Seyfert 1 galaxies}", doi = "10.22323/1.169.0011", booktitle = "Proceedings of Nuclei of Seyfert galaxies and QSOs - Central engine & conditions of star formation {\textemdash} PoS(Seyfert 2012)", year = 2013, volume = "169", pages = "011" }