@article{DBLP:journals/tods/RameshBK89,
  author    = {R. Ramesh and
               A. J. G. Babu and
               J. Peter Kincaid},
  title     = {Variable-Depth Trie Index Optimization: Theory and Experimental
               Results},
  journal   = {ACM Trans. Database Syst.},
  volume    = {14},
  number    = {1},
  year      = {1989},
  pages     = {41-74},
  ee        = {http://doi.acm.org/10.1145/62032.77249},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}