00382nam a22001097a 4500020001500000082002100015100002300036245011500059260005300174526003700227650000800264  a0309029503  a386.0973bNAIcD  aE Mclaughlin, Mary  aTransportation research record 704/bInland waterway user charges, port development and research methodologies  aWashington:bNational Academy of Science,cc1978  a0b0c0d386_097300000000000_NAI  aMCE