TY - GEN AU - Main, J., AU - Sangster, TI - A study of a multi-level bottom trawl for species separation using direct observation techniques T2 - Scottish Fisheries Research Report SN - 03088022 PY - 0000///Department of Agriculture and Fisheries for Scotland CY - Aberdeen PB - 1982 KW - Artes de pesca KW - Redes KW - Selectividade KW - E 13 N2 - Bibliografia ER -