Snow, Barbara K. <br/><br/>
Birds and berries :  a study of an ecological interaction / 
by Barbara and David Snow 
 - Calton :  T. & A.D. Poyser,  1988 
 - 268 p. :  ill. ;  24 cm. 
<br/><br/>References : p. 253-260 
<br/><br/><label>ISBN: </label>0856610496  RM155.92 
<br/><br/><label>LCCN: </label>87-072279 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds--Food<br/>Seeds--Dispersal