1. Observatory and survey result report;Nieto,2005
2. Recirculating aquaculture systems;Timmons,2001
3. Aquaculture Engineering;Lekang,2007
4. Assessment of the counting accuracy of the vaki infrared counter on chum salmon;Shardlow;North American Journal of Fisheries Management,2004
5. Fish Farming Technology;Bjordal,1993