@article{Tang:2017HD,
  author = "Tang, Xiaping",
  title = "{Similarity of γ -ray spectrum in middle aged supernova remnants (SNRs) interacting with molecular clouds (MC): what can we learn?}",
  doi = "10.22323/1.312.0099",
  journal = "PoS",
  year = 2017,
  volume = "IFS2017",
  pages = "099"
}