000 00455nam a22001577a 4500
008 230403b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a084
_bK9
100 _aSpear, Mary Eleanor
_96171
245 _aPractical charting techniques
260 _aNew York:
_bMcGraw Hill Book Company,
_c1969
300 _axxii, 394p.
650 _aCharting
653 _aTechniques
942 _2udc
_cBK
999 _c17980
_d17980