PPolar bearsPolar bearsde Ian StirlingMateriasOurs blancPolar bearOuvrages illustrésPictorial worksEdiciones (1)Polar bears (2011)Fitzhenry & Whiteside · inglés · ISBN 9781554551552Más obras de Ian StirlingPolar bearsBBearsBearsPPolynyas in the Canadian ArcticPolynyas in the Canadian Arctic
TThe ecology of the polar bear (Ursus maritimus) along the weThe ecology of the polar bear (Ursus maritimus) along the western coast of Hudson Bay
