@inproceedings{MePa89,
AUTHOR = {Mehlhorn, K. and Paul, W.J.},
TITLE = {Two Versus One Index Register and Modifiable Versus Non-Modifiable Programs},
VOLUME = {372},
YEAR = {1989},
PAGES = {603--609},
URL = {http:///publikationen/MePa89.pdf},
SERIES = {Lecture Notes in Computer Science},
BOOKTITLE = {Proc. 16th ICALP},
PUBLISHER = {Springer Verlag},
EE = {http://www.springerlink.de/content/d5381528131677n5/},
}