TY - JOUR AU - 小林, 和博 AU - 久保, 幹雄 AU - 加納, 敏幸 TI - A Two-phase approach for a tramper ship scheduling problem(Summaries of Papers Published by Staff of National Maritime Research Institute at Outside Organizations) T2 - Papers of National Maritime Research Institute SN - 13465066 PY - 2008 DA - 2008/10/10 VL - 8 IS - 2 SP - 228 UR - http://ci.nii.ac.jp/naid/110007661597/en/ ER -