000 00410 a2200217 4500
260 _aRome.
440 _n5
260 _bFAO
260 _bUNEP.
245 _aMammals in the seas.
440 _v1
300 _aXXV-264p.
260 _c1978
130 _lEn.
710 _aFAO
710 _aUNEP.
440 _aFAO Fisheries Series.
020 _a92-5-100511-7
999 _c26078
_d26078