GS Jamieson andA Campbell , NRC Research Press , ISBN 0 - 660 - 17221 - 6 .
pp. 273 -- 282 in Proceedings of the North Pacific Symposium on Invertebrate Stock Assessment and Management , Issue 125 , A Campbell , Eds .
Campbell       , NRC Research Press , ISBN 0 - 660 - 17221 - 6 .
pp. 273 -- 282 in Proceedings of the North Pacific Symposium on Invertebrate Stock Assessment and Management , Issue 125 , A Campbell , Eds .