Mahapatra, Biswa Bhusana A closer look at the feather coloration in the male purple sunbird, Nectarinia asiatica. [electronic resource] - Micron (Oxford, England : 1993) Jun 2016 - 44-50 p. digital Publication Type: Journal Article ISSN: 1878-4291 Standard No.: 10.1016/j.micron.2016.04.001 doi Subjects--Topical Terms: AnimalsBiological EvolutionFeathers--chemistryFemaleKeratins--analysisMaleMetals--chemistryMicroscopy, Electron, TransmissionNanostructures--chemistryPasseriformes--anatomy & histologyPigmentationX-Ray Diffraction