000 006110000a22002290004500
001 12979
090 _a12979
100 _a20190520 frey50
101 _aeng
102 _aGB|London
200 0 1 _aThe uses of echo sounding for fishermen
_fD. H. Cushing
210 _aLondon
_c1963
_dMinistry of Agriculture, Fisheries and Food, HMSO
215 _aiii, 28, [41] p.
_cil.
_d25 cm
317 _a5 exemp.
320 _aBibliografia
606 _aEcosondas
606 _aPescas-Prospecção
606 _aSondagens acústicas
680 _aC-1703
686 _aA 26
686 _aE 32
700 _aCushing,
_bD. H.