000 00423nam a2200181Ia 4500
008 210417s9999 xx 000 0 und d
020 _a9781680955132
020 _b1680955136
082 _a797.1 ESS
082 _b22.797.1 ESS
245 0 _aEssential seamanship
245 0 _cEssential seamanship
250 _b"x, 278 p. : ill."
260 _aUSA
260 _b3G E-learning
260 _c2017
700 _aNULL
999 _c487465
_d487465