@article{article38956889,
title   = {Absolute determination of soluble potassium in tea infusion by gamma-ray spectroscopy},
author = {Maidana, Nora Lia and Vanin, Vito Roberto and Horii,C L and Ferreira Junior, F A and Rajput, M U},
year = {2009},
doi = {10.1016/j.foodchem.2009.03.005},
journal   = {Food Chemistry}
}