@article{Ruskey1992a, 
     author = "Ruskey, Frank", 
     doi = "10.1016/0095-8956(92)90067-8", 
     issn = "00958956", 
     journal = "Journal of Combinatorial Theory, Series B", 
     link = "http://www.sciencedirect.com/science/article/pii/0095895692900678 http://linkinghub.elsevier.com/retrieve/pii/0095895692900678", 
     month = "jan", 
     number = "1", 
     pages = "77--101", 
     title = "Generating linear extensions of posets by transpositions", 
     uri = "http://www.sciencedirect.com/science/article/pii/0095895692900678", 
     volume = "54", 
     year = "1992", 
}

Problems: 345