Title:Análisis geoestadístico y numérico de datos geoquímicos de sondeos de exploración minera, casos de depósitos epitermales / Geoestatistical and numerical analysis of geochemical data from mining exploration drill holes, Cases of epithermal deposits
Title:Cultural conditions required for the induction of an adaptive acid-tolerance response (ATR) in Sinorhizobium meliloti and the question as to whether or not the ATR helps rhizobia improve their symbiosis with alfalfa at low pH