na INLIS000000000063988 20250630015351 0010-0625000167 ta 250630 g d eng 639.2 639.2 PEL r Report of the working group on North Sea young herring surveys / Pelagic Fish (Northern) Committee Cet. 1 Ymuiden : International Council for the Exploration of the Sea (I.C.E.S), 1974 40p. ; 29 cm. PELAGIC FISH (NORTHERN) COMMITTEE Bibl.: p.16 1049/76