@article{DBLP:journals/acta/Bayer72,
author = {Rudolf Bayer},
title = {Symmetric Binary B-Trees: Data Structure and Maintenance
Algorithms},
journal = {Acta Inf.},
volume = {1},
year = {1972},
pages = {290-306},
ee = {http://dx.doi.org/10.1007/BF00289509},
bibsource = {DBLP, http://dblp.uni-trier.de}
}