Bibtex of ZZZ (working) / Graph, Path

@article{Watanabe1981, 
     author = "Watanabe, Osamu", 
     doi = "10.1016/0020-0190(81)90139-3", 
     issn = "00200190", 
     journal = "Information Processing Letters", 
     link = "http://www.sciencedirect.com/science/article/pii/0020019081901393", 
     number = "1", 
     pages = "1--3", 
     title = "A fast algortihm for finding all shortest paths", 
     uri = "http://www.sciencedirect.com/science/article/pii/0020019081901393", 
     volume = "13", 
     year = "1981", 
}