Dokkum, Klaas van. Ship stability : hydrostatic particulars delftship & elandsgracht/ / Klaas van Dokkum...[et al]. - 6th edition. - 88 p. : col. ill. ; 30 cm. ISBN: 978-90-71500-37-4 Subjects--Topical Terms: Marine engines.Hydro statics.Marine engineering.Shipbuilding.