Aswegen, Pieter C. van Bacteria enhance gold recovery (for over 15 years South Africa's has been working on the bacterial oxidation of refractory gold ores. At Fairview, the BIOX plant now has 95 - plus recoveries) - Herts Team Publishing mayo 1988 - pp. 19-23 Subjects--Topical Terms: LIXIVIACION BACTERIANAORO