000 00457 am a2200169 a 4500
003 ESGN
006 |||||r|||||||| ||
007 ta
008 b ag ||||| |||||||| ||spa d
040 _aESGN
100 _aClement, Gaston C.
245 _aLa marina en la defensa nacional /
_cGaston C. Clement
260 _aBuenos Aires
_b[s.n.]
_c1953
300 _a39 p.
942 _cBK,
_2Universal Decimal Classification
999 _c21639
_d21639