@article{article8a1888cb,
title   = {Glutamine synthetase activity, relative water content and water potential in maize submitted to drought},
author = {Medici, L. O. and Machado, A. T. and Azevedo, Ricardo Antunes de and Pimentel, C.},
year = {2003},
journal   = {Biologia Plantarum}
}