@techreport{Shant:2013TR,
 AUTHOR = {Shant Karakashian and Berthe Y. Choueiry and Stephen G. Hartke},
 TITLE = {{An Algorithm for Generating All Connected Subgraphs with $k$ Vertices of a Graph}},
  YEAR = 2013,
  TYPE = {Technical Report},
  NUMBER = {TR-UNL-CSE-2013-0005},
 INSTITUTION = {Department of Computer Science and Engineering, University of Nebraska-Lincoln},
  ADDRESS = {Lincoln, NE}}