R.O. Cristóvão, V.M.S. Pinto, R.J.E. Martins, J.M. Loureiro, R.A.R. Boaventura. Assessing the influence of oil and grease and salt content on fish canning wastewater biodegradation through respirometric tests. Journal of Cleaner Production, 127, 343- 51, 2016
R.O. Cristóvão, C. Gonçalves, C.M. Botelho, R.J.E. Martins, J.M. Loureiro, R.A.R. Boaventura. Fish canning wastewater treatment by activated sludge: Application of factorial design optimization. Biological treatment by activated sludge of fish canning wastewater. Water Resources and Industry, 10, 29-38, 2015
R.J.E. Martins, V.J.P. Vilar, R.A.R. Boaventura. Kinetic modelling of cadmium and lead removal by aquatic mosses. Brazilian Journal of Chemical Engineering, 31, 229-242, 2014
R.J.E. Martins, O.M.M. Freitas, V.J.P. Vilar, R.A.R. Boaventura. Accumulation and release of Pb(II) in aqueous solution by aquatic mosses. International Journal of Environment and Waste Management, 9, 270-283, 2012
R.J.E. Martins, R.A.R. Boaventura. Modelling of lead removal by an aquatic moss. Water Science and Technology, 63, 136-142, 2011
R.J.E. Martins, V.J.P. Vilar, R.A.R. Boaventura. Removal of Pb(II) from wastewaters by Fontinalis antipyretica biomass: Experimental study and modelling. Desalination and Water Treatment, 20, 179-188, 2010
V.J.P. Vilar, S.C.R. Santos, R.J.E. Martins, C.M.S. Botelho, R.A.R. Boaventura. Cadmium uptake by algal in batch and continuous (CSTR and packed bed column) adsorbers. Biochemical Engineering Journal, 48, 276-289, 2008
R.J.E. Martins, R. Pardo, R.A.R. Boaventura. Cadmium(II) and zinc(II) adsorption by the aquatic moss Fontinalis antipyretica: Effect of temperature, pH and water hardness. Water Research, 38, 693-699, 2004