Class Nk Rules and Guidance for the Survey and Construction of Steel Ships Guidance for the survey and construction of steel ships/ Class NK. - Japan : Nippon Kaiji Kyokai 2012 - iv, 152p. : ill. 30 cm ISBN: 1344444444 LC Class. No.: VM500 .C568 2012 Dewey Class. No.: VM500 .C568 2012 DS 247 .O6 O485 2006 National Library of Medicine Call No.: VM500 .C568 2012