@article{articleda1a28de,
title   = {Time-dependent spectrophotometric study of the interaction of basic dyes with clays ii: thionine on natural and synthetic montmorillonites and hectorites},
author = {Neumann, Miguel Guillermo and Cavalheiro, Carla Cristina Schmitt and Gessner, Fergus},
year = {1996},
journal   = {Journal of Colloid and Interface Science}
}