Distance Learning material for Semester 4 / 

 - Chennai :  Indian Maritime University ,  2013 . 
 - II , 175 p. :  ill., Charts. ;  30 cm . 
<br/><br/> DNS leading to B.sc. (Nautical Science) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marine engineering--Textbooks
<br/><br/><label>Dewey Class. No.: </label>623.8071  / In253 S4