00363nam a2200121Ia 4500008005200000020003000052082001500082100002700097245005400124250001200178260004100190300001000231200103s     1998      ||||xx |||||||||||||| ||und||  a1870077024, 9781870077026  a355.4bTNI  aThe Nautical Institute 4aThe Work of the Harbourmaster : a practical guide  a2nd ed.  bThe Nautical Institutec1998aLondon  a401p.