Point-contact spectroscopy of iron-based layered superconductor Lei Shan, Yonglei Wang, Xiyu Zhu, Gang Mu, Lei Fang, Cong Ren and Hai-Hu WenEPL, 83 5 (2008) 57004DOI: https://doi.org/10.1209/0295-5075/83/57004
