@article{Pa77,
AUTHOR = {Paul, W.J.},
TITLE = {A 2.5 N-lower Bound on the Combinational Complexity of Boolean Functions},
VOLUME = {6},
YEAR = {1977},
PAGES = {427--443},
URL = {http:///publikationen/Pa77.pdf},
SERIES = {SIAM J. Comp.},
EE = {http://dx.doi.org/10.1137/0206030},
}