Department of Physics, Faculty of Natural Sciences, Stellenbosch University, Cape Town, Republic of South Africa;
Department of Subatomic Physics, iThemba LABS, Cape Town, Republic of South Africa;
Sector of Neutron Activation Analysis and Applied Research, Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Dubna, Russian Federation;
Atmospheric; Deposition; Trace; Elements; Mosses; Lichens; Instrumental; Neutron; Activation; Analysis; Multivariate; Statistical; Analysis;