Ian L. Boyd <br/><br/>
Marine mammal ecology and conservation: a handbook of techniques 

 -  Oxford university press  2010 
 - 450 p 
<br/><br/><label>ISBN: </label>978- 0- 19- 921656- 7 
<br/><br/><label>LC Class. No.: </label>QL713.2.M274/