Butler, M. J. A. <br/><br/>
Marine resource mapping :  and introductory manual / 
by M. J. A. Butler---[et al]. 
 - Rome :  Food and Agriculture Organisation of the United Nations,  1986 
 - xxi, 256 p. :  ill., maps (some col.) 
<br/><br/> Charts on pocket. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oceanography--Charts, diagrams, etc.