"Quantifying avian sexual dichromatism: a comparison of methods" (2008). The Journal of Experimental Biology211 (15): 2423–2430. doi:10.1242/jeb.013094. PMID 18626076.
"Quantifying avian sexual dichromatism: a comparison of methods" (2008). The Journal of Experimental Biology211 (15): 2423–2430. doi:10.1242/jeb.013094. PMID 18626076.