@article{MPU92,
AUTHOR = {Mehlhorn, K. and Paul, W.J. and Uhrig, C.},
TITLE = {k Versus k+1 Index Registers and Modifiable Versus Non-modifiable Programs},
VOLUME = {101},
YEAR = {1992},
PAGES = {123--129},
URL = {http:///publikationen/MPU92.pdf},
SERIES = {Information and Computation},
PUBLISHER = {Academic Press},
EE = {http://dx.doi.org/10.1016/0890-5401(92)90078-T},
}