@inproceedings{Pa81,
AUTHOR = {Paul, W.J.},
TITLE = {On Heads Versus Tapes},
YEAR = {1981},
PAGES = {68--73},
URL = {http:///publikationen/Pa81.pdf},
BOOKTITLE = {Proc. 22nd IEEE-FOCS},
EE = {http://doi.ieeecomputersociety.org/10.1109/SFCS.1981.25},
}