@article{d13e69c84d9d40f2af92c5303952769e,
title = "Automatic recognition of sector light boundaries based on digital imaging",
author = "K. Ryyn{\"a}nen and A. Vehkaoja and P. {\"O}sterberg",
note = "Library of Congress; Catalog Number 82-64/658<br/>Contribution: organisation=mit,FACT1=1",
year = "2007",
language = "English",
pages = "30--33",
journal = "The IALA (Magazine of the international association of marine aids to navigation and lighthouse authorities) - Bulletin de I´AISM (Bulletin de l{\'a}ssociation internationale de signalization martime)",
issn = "0379-2811",
number = "1",
}