@article{Ruskey1988, 
     author = "Ruskey, Frank", 
     doi = "10.1016/0196-6774(88)90036-3", 
     issn = "01966774", 
     journal = "Journal of Algorithms", 
     link = "http://www.sciencedirect.com/science/article/pii/0196677488900363 http://linkinghub.elsevier.com/retrieve/pii/0196677488900363", 
     month = "jun", 
     number = "2", 
     pages = "162--180", 
     title = "Adjacent Interchange Generation of Combinations", 
     uri = "http://www.sciencedirect.com/science/article/pii/0196677488900363", 
     volume = "9", 
     year = "1988", 
}

Problems: 354