Hwang S. J., Kim N. Y., Won D. H., An K. K., Lee J. K., Kim C. S., 2006, Biological
assessment of water quality by using epilithic diatoms in major river systems (Geum,
Youngsan, Seomjin River), Korea, [Korean Literature], Journal of Korean Society on
Water Environment, Vol. 22, No. 5, pp. 784-795
