Leighton, Mark <br/><br/>
Fruit resources and patterns of feeding, spacing and grouping among sympatric Bornean hornbills (bucerotidae)  [microform] / 
Mark Leighton 
 - Ann Arbor, Mich. :  University Microfilms International,  1982 
 - 3 microfiches ;  11 x 15 cm. 
<br/><br/>Thesis (Ph.D.)-University of California, 1982 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hornbills<br/>Birds--Indonesia--Kalimantan