00427nam a2200121Ia 4500008004100000082002200041100012400063245002500187260002000212300001400232490002500246650003400271140224s9999    xx            000 0 und d  a599.5(082.2) M2.4  aFAO Advisory Committee on Marine Resources Research Working Party on Marine Mammals with the co-operation of the UNEEP.  aMammals in the seas.  aRomebFAOc1982  av.4,531p.  aFAO Fisheries series  aMammals-Marine,Marine Ecology