1. High-density culture of channel catfish in a recirculation system;Broussard;Prog. Fish Cult.,1976
2. Organic load from the metabolic products of rainbow trout fed with dry food;Butz,1982
3. Lamella sedimentation: a compact separation technique;Forsell;J. Water Pollut. Control Fed.,1975
4. Biofilm kinetics;Harremoës,1978
5. Criteria for nitrification in fixed film reactors;Harremoës;Water Sci. Technol.,1982