@article{article2d8c6357,
title   = {Performance and test of a direct reading air-pocket tensiometer},
author = {Villa Nova, Marcos Schiavon and Villa Nova, Nilson Augusto and Oliveira, Antonio Sanchez de and Reichardt, Klaus},
year = {1992},
doi = {10.1016/0933-3630(92)90029-z},
journal   = {Soil Technology}
}