Original Source:  Bunt, C.M., T. Castro-Santos and A. Haro. 2011. Performance of Fish Passage Structures at Upstream Barriers  to Migration.  River Research and Applications.  First published online 31 August 2011. DOI: 10.1002/rra. 1565.

Current Source:  Bunt, C.M., T. Castro-Santos and A. Haro. 2012. Performance of fish passage structures at upstream barriers to migration.  River Research and Applications.  28:457-478.