The economics of forestry,modern theory and practice-portland orepon.

by Kula, Erhun.
Published 1988

The biology of perch and related fish.

by Graig, John.
Published 1987

Fish endocrinology.

by Matty, A. F.
Published 1985

Freshwater crayfish biology,management and exploitation /

by Holdich, D. M.
Published 1988

Atlantic salmon, planning for the future France 21-23 October,1986..

Published 1988

Salmon economics and marketing /

by Shaw, Susan.
Published 1987