Bibtex of Graph / Planar graph

@inproceedings{Nakano2001a, 
     address = "Christchurch, New Zealand,", 
     author = "Nakano, Shin-ichi", 
     booktitle = "ISAAC 2001: the 12th International Symposium on Algorithms and Computation", 
     doi = "10.1007/3-540-45678-3_10", 
     editor = "Eades, Peter and Takaoka, Tadao", 
     isbn = "8127730181", 
     keyword = "enumeration,graphs,listing,plane graphs", 
     link = "http://link.springer.com/chapter/10.1007/3-540-45678-3_10", 
     month = "dec", 
     pages = "107--115", 
     publisher = "Springer Berlin Heidelberg", 
     series = "Lecture Notes in Computer Science", 
     title = "Enumerating Floorplans with n Rooms", 
     uri = "http://link.springer.com/chapter/10.1007/3-540-45678-3_10", 
     volume = "2223", 
     year = "2001", 
}

@inproceedings{Nakano2004a, 
     address = "Crete, Greece", 
     author = "Li, Zhangjian and Nakano, Shin-ichi", 
     booktitle = "ICALP 2001: the 28th International Colloquium on Automata, Languages and Programming", 
     doi = "10.1007/3-540-48224-5_36", 
     editor = "Orejas, Fernando and Spirakis, Paul G. and van Leeuwen, Jan", 
     keyword = "Listing,Plane graphs,Plane triangulations", 
     link = "http://link.springer.com/chapter/10.1007/3-540-48224-5_36", 
     month = "jul", 
     pages = "433--443", 
     publisher = "Springer Berlin Heidelberg", 
     series = "Lecture Notes in Computer Science", 
     title = "Efficient Generation of Plane Triangulations without Repetitions", 
     uri = "http://link.springer.com/chapter/10.1007/3-540-48224-5_36", 
     volume = "2076", 
     year = "2001", 
}

@inproceedings{Zhuang2010a, 
     address = "Prague, Czech Republic", 
     author = "Zhuang, Bingbing and Nagamochi, Hiroshi", 
     booktitle = "TAMC 2010: the 7th Annual Conference on Theory and Applications of Models of Computation", 
     doi = "10.1007/978-3-642-13562-0_42", 
     editor = "Kratochv{\'i}l, Jan and Li, Angsheng and Fiala, Ji{\v{r}}{\'i} and Kolman, Petr", 
     link = "http://link.springer.com/chapter/10.1007/978-3-642-13562-0_42", 
     month = "jun", 
     pages = "467--478", 
     publisher = "Springer Berlin Heidelberg", 
     series = "Lecture Notes in Computer Science", 
     title = "Generating Internally Triconnected rooted plane graphs", 
     uri = "http://link.springer.com/chapter/10.1007/978-3-642-13562-0_42", 
     volume = "6108", 
     year = "2010", 
}