SEAGRASS research methods 
/edited by Ronald C.Phillips, C.Peter McRoy 
 - Paris  UNESCO  1990 
 - 210 p. 
<br/><br/> Includes references 
<br/><br/><label>ISBN: </label>9231026607 
<br/><br/><label>Dewey Class. No.: </label>589.45  / SEA