Authors:
Andreasen, K
Agertved, J
Petersen, JO
Skaarup, H
Citation: K. Andreasen et al., Improvement of sludge settleability in activated sludge plants treating effluent from pulp and paper industries, WATER SCI T, 40(11-12), 1999, pp. 215-221
Citation: Jo. Petersen et J. Christensen-dalsgaard, Pulsation models of delta Scuti variables - II. delta Scuti stars as precise distance indicators, ASTRON ASTR, 352(2), 1999, pp. 547-554