@article{KallmeyerPockalnyAdhikarietal.2012,
  author    = {Jens Kallmeyer and Robert Pockalny and Rishi Ram Adhikari and David C. Smith and Steven D'Hondt},
  title     = {Global distribution of microbial abundance and biomass in subseafloor sediment},
  journal   = {Proceedings of the National Academy of Sciences of the United States of America},
  volume    = {109},
  number    = {40},
  pages     = {16213 -- 16216},
  doi       = {10.1073/pnas.1203849109},
  year      = {2012},
}