ZhaZ91'

@inproceedings{DBLP:conf/gst/ZhaZ91,
  author    = {Xiaoya Zha and
               Yue Zhao},
  title     = {On non-null separating circuits in embedded graphs},
  booktitle = {Graph Structure Theory},
  year      = {1991},
  pages     = {349-362},
  crossref  = {DBLP:conf/gst/1991},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/gst/1991,
  editor    = {Neil Robertson and
               Paul D. Seymour},
  title     = {Graph Structure Theory, Proceedings of a AMS-IMS-SIAM Joint
               Summer Research Conference on Graph Minors held June 22
               to July 5, 1991, at the University of Washington, Seattle},
  booktitle = {Graph Structure Theory},
  publisher = {American Mathematical Society},
  series    = {Contemporary Mathematics},
  volume    = {147},
  year      = {1993},
  isbn      = {0-8218-5160-8},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}