@inproceedings{Zhuang2010b, 
     address = "Rome, Italy", 
     author = "Zhuang, Bingbing and Nagamochi, Hiroshi", 
     booktitle = "CIAC 2010: the 7th International Conference on Algorithms and Complexity", 
     doi = "10.1007/978-3-642-13073-1_6", 
     editor = "Calamoneri, Tiziana and Diaz, Josep", 
     link = "http://link.springer.com/chapter/10.1007/978-3-642-13073-1_6", 
     month = "may", 
     pages = "49--60", 
     publisher = "Springer Berlin Heidelberg", 
     series = "Lecture Notes in Computer Science", 
     title = "Enumerating rooted graphs with reflectional block structures", 
     uri = "http://link.springer.com/chapter/10.1007/978-3-642-13073-1_6", 
     volume = "6078", 
     year = "2010", 
}

Problems: 221