@article{article04a6478b,
title   = {"ANTPOT.14 C' analyses of groundwater from the Botucatu aquifer system in Brazil},
author = {Kimmelmann e Silva, Annkarin Aurelia and Rebouças, Aldo C. and Santiago, Maria Marlucia Freitas},
year = {1989},
doi = {10.1017/S0033822200012546},
journal   = {Radiocarbon}
}