@book{ BC09365696, author = "Chapman, Charles F.", title = "Piloting, seamanship and small boat handling : a complete illustrated course on the operation of small boats supplemented by hundreds of problems, questions and answers", publisher = "Motor Boating", year = "1963", series = "Motor boating's ideal series", number = "v. 5", URL = "https://ci.nii.ac.jp/ncid/BC09365696" }