@article{Ruskey1990, 
     author = "Ruskey, Frank and Proskurowski, Andrzej", 
     doi = "10.1016/0196-6774(90)90030-I", 
     issn = "01966774", 
     journal = "Journal of Algorithms", 
     link = "http://www.sciencedirect.com/science/article/pii/019667749090030I http://linkinghub.elsevier.com/retrieve/pii/019667749090030I", 
     month = "mar", 
     number = "1", 
     pages = "68--84", 
     title = "Generating Binary Trees by Transpositions", 
     uri = "http://www.sciencedirect.com/science/article/pii/019667749090030I", 
     volume = "11", 
     year = "1990", 
}

Problems: 351