00272nam a2200109Ia 450000500170000010000240001724500700004126000090011158300190012094200060013999900170014520260716043348.0  aJOHNSON, C. William  aMaritime transportation : ocean carriers sail the electronic sea.  c1998  c3/7/00kM2LMGR  cA  c45687d45687