Heikens, A.

Physicochemical or geochemical

• Lohr, A. J., Bogaard, T. A., Heikens, A., Hendriks, M. R., Sumarti, S., Van Bergen, M. J., Van Gestel, C. A. M., Van Straalen, N. M., Vroon, P. Z., Widianarko, B., (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
• Heikens, A., Sumarti, S., Van Bergen, M., Widianarko, B., Fokkert, L., Van Leeuwen, K., Seinen, W., (2005), The impact of the hyperacid Ijen Crater Lake: risks of excess fluoride to human health, Science of the Total Environment, 346, 56-69, 10.1016/j.scitotenv.2004.12.007