@article{DBLP:journals/siamcomp/Ambos-Spies86,
author = {Klaus Ambos-Spies},
title = {An Inhomogeneity in the Structure of Karp Degrees},
journal = {SIAM J. Comput.},
volume = {15},
number = {4},
year = {1986},
pages = {958-963},
ee = {http://dx.doi.org/10.1137/0215067},
bibsource = {DBLP, http://dblp.uni-trier.de}
}