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