000			00351nam a2200145Ia 4500
999			_c1956 _d1956
008			191121s 1977 ||||xx |||||||||||||| ||und||
020			_a114002975
082			_a627.2 _bHMS
100			_aHMSO London
245		4	_aThe marine observer's handbook
250			_a10th ed.
260			_aLondon _bHMSO _c1977
300			_avii, 157p.
942			_cBK