@article{article5cf6a4f4,
title   = {Differentiation between the lower and upper parts of columns of semi-submersibles for heave response improvement},
author = {Conti, Mardel Bongiovanni de and Andrade, Bernardo Luís Rodrigues de and Birk, Lothar},
year = {2009},
journal   = {Marine Systems & Ocean Technology}
}