@article{v007a004,
 author = {Kazuyuki Amano},
 title = {Tight Bounds on the Average Sensitivity of k-CNF},
 year = {2011},
 pages = {45-48},
 doi = {10.4086/toc.2011.v007a004},
 publisher = {Theory of Computing},
 journal = {Theory of Computing},
 volume = {7},
 number = {1},
 URL = {http://www.theoryofcomputing.org/articles/v007a004},
}