Konstantinos Limniotis Nicholas Kolokotronis Nicholas Kalouptsidis On the Nonlinear Complexity and Lempel-Ziv Complexity of Finite Length Sequences. 4293-4302 2007 53 IEEE Transactions on Information Theory 11 http://dx.doi.org/10.1109/TIT.2007.907442 db/journals/tit/tit53.html#LimniotisKK07