000 00358cam a2200145ua 4500
003 OSt
008 250108b |||||||| |||| 00| 0 eng d
041 _aeng
082 _a621.3841
_bSMI/RA
100 _aSmith, R A .
_96878
245 _aRadio aids to navigation /
260 _aNew York :
_bMcMillan and company ,
_c1948.
300 _a114 ; .
942 _cBK
999 _c7084
_d7084