TY - GEN AU - Grojean,R E AU - Sousa,J A AU - Henry,M C TI - Utilization of solar radiation by polar animals: an optical model for pelts; authors' reply to an alternative explanation SN - 1559-128X PY - 2012///1002 N1 - Publication Type: Journal Article UR - https://doi.org/10.1364/AO.20.001896 ER -