Iversen, T. M., Madsen, B. L., Hansen, H. O. (red.) & Madsen, B. L. (red.) (1997). Introduction to River Restoration '96 - Plenary Lectures. I H. O. Hansen & B. L. Madsen (red.), River Restoration '96 - Plenary Lectures: International Conference Arranged by the European Centre for River Restoration (s. 6-9). National Environmental Research Institute.