distribution of Cryosols in the northern hemisphere
<a href="//commons.wikimedia.org/wiki/User:Bijltjespad" class="mw-redirect" title="User:Bijltjespad">Bijltjespad</a>
01-02-1998
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required link to original: <a rel="nofollow" class="external autonumber" href="http://www.fao.org/docrep/003/Y1899E/y1899e00.HTM">[1]</a>