@inproceedings{CPRT83,
AUTHOR = {Chung, F. R. K. and Paul, W.J. and Reischuk, R. and Tarjan, R.},
TITLE = {Coding Strings by Pairs of Strings},
YEAR = {1983},
URL = {http:///publikationen/CPRT83.pdf},
BOOKTITLE = {Proc. 14th Southeastern Conference on Combinatorics Graph Theory and Computing},
EE = {http://www.math.ucsd.edu/~fan/mypaps/fanpap/73csbpos_b.PDF},
}