000			00357nam a2200145Ia 4500
008			200103s9999||||xx |||||||||||||| ||und||
020			_a43490564X
040			_aIMU-MPC
082			_aColumn-16
100			_aFifield, L.W.J.
245		0	_aNavigation for watchkeepers
260			_bheinemann Professional Publishing _c1980
300			_avi, 413
942			_cBK
999			_c5863 _d5863