Determination of the molar mass of the humic substances of the Chubut River (Argentina) by electrospray ionization mass spectrometry
Excitation–emission matrices applied to the study of urban effluent discharges in the Chubut River (Patagonia, Argentina)
Ochre in the rock art of the lower-middle valley of the Chubut river (Chubut Province, Patagonia Argentina). Natural mineral pigments, experimentation and study cases