Physicochemical or geochemical
- (2005),
Natural pollution caused by the extremely acidic crater Lake Kawah Ijen, East Java, Indonesia
, Environmental Science and Pollution Research, 12, 89-95, 10.1065/espr2004.09.118
,
Natural pollution caused by the extremely acidic crater Lake Kawah Ijen, East Java, Indonesia, Environmental Science and Pollution Research, 12, 89-95, 10.1065/espr2004.09.118