Lofgren, Lars. <br/><br/>
Ocean birds:  their breeding, biology & behaviour / 
by Lars Lofgren. 
 - London:  Croom Helm,  1984. 
 - 240 p.  :   ill. ;   23 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p236. 
<br/><br/><label>ISBN: </label>0709916752 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sea birds.