1. Cleaning symbiosis between wrasses (Labridae) and lice infested salmon (Salmo salar) in mariculture;Bjordal;Int. Con. Explor. Sea, C.M. 1988,1988
2. Cleaning symbiosis between wrasses (Labridae) and lice infested salmon (Salmo salar) in mariculture;Bjordal;Int. Con. Explor. Sea, C.M. 1988,1988
3. Sea lice infestation of farmed salmon: possible use of cleaner fish as an alternative method for delousing;Bjordal;Can. Tech. Rep. Fish. Aquat. Sci.,1990
4. Wrasse as cleaner fish for farmed salmon;Bjordal;Prog. Underwater Sci.,1991
5. Cleaning symbiosis as an alternative to chemical control of sea lice infestation of Atlantic salmon;Bjordal,1992