Bibtex of Graph / Chord diagram

@article{Sawada2002a, 
     author = "Sawada, Joe", 
     doi = "10.1137/S0895480100377970", 
     issn = "0895-4801", 
     journal = "SIAM Journal on Discrete Mathematics", 
     keyword = "05-04,05a15,1,68r05,68r15,ams subject classifications,chord diagram,chord diagrams are the,enumeration,fundamental combinatorial objects,generation algorithm,introduction,necklace,pii,s0895480100377970", 
     link = "http://link.aip.org/link/SJDMEC/v15/i4/p546/s1\&Agg=doi http://epubs.siam.org/doi/abs/10.1137/S0895480100377970", 
     month = "jan", 
     number = "4", 
     pages = "546--561", 
     title = "A Fast Algorithm for Generating Nonisomorphic Chord Diagrams", 
     uri = "http://link.aip.org/link/SJDMEC/v15/i4/p546/s1&Agg=doi", 
     volume = "15", 
     year = "2002", 
     zzzisbn = "0895480100377", 
}