Sexual segregation in vertebrates  ecology of the two sexes 
ed by Kathreen E Ruckstuhl and Peter Neuhaus 
 - Cambridge  Cambridge university press  2005 
 - xi, 487p. 
<br/><br/><label>ISBN: </label>0521835224 
<br/><br/><label>Dewey Class. No.: </label>597.15  / P05