Etiqueta de registo: 00250nx 2200097n 45
001 255755
095 ## $aPTBN00220759
100 ## $a19970723apory0103 ba
152 ## $bSIPOR
250 ## $aAstronomia náutica$yPortugal$zSéc. 15-16
675 ## $a527(469)"14/15"$vBN$zpor
801 #0 $aPT$bBN$c19970723