@article{oai:tsukuba.repo.nii.ac.jp:00015923,
 author = {Uesu, Tadahiro},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {129--160},
 title = {A complete system of grammars for plane graphs},
 volume = {3},
 year = {1979}
}