@article{Proskurowski1985, 
     author = "Proskurowski, Andrzej and Ruskey, Frank", 
     doi = "10.1016/0196-6774(85)90040-9", 
     issn = "01966774", 
     journal = "Journal of Algorithms", 
     link = "http://www.sciencedirect.com/science/article/pii/0196677485900409 http://linkinghub.elsevier.com/retrieve/pii/0196677485900409", 
     month = "jun", 
     number = "2", 
     pages = "225--238", 
     title = "Binary Tree Gray Codes", 
     uri = "http://www.sciencedirect.com/science/article/pii/0196677485900409", 
     volume = "6", 
     year = "1985", 
}

Problems: 363