The penguin feathers as bioindicator of Antarctica environmental state Metcheva, R. ; Yurukova, L. ; Teodorova, S. ; Nikolova, E. Abstract Publication: Science of the Total Environment Pub Date: June 2006 DOI: 10.1016/j.scitotenv.2005.05.008 Bibcode: 2006ScTEn.362..259M