<a href="https://en.wikipedia.org/wiki/Pasang_Norbu_Sherpa" class="extiw" title="w:Pasang Norbu Sherpa">Pasang Norbu Sherpa</a> and <a href="https://en.wikipedia.org/wiki/Andrzej_Heinrich" class="extiw" title="w:Andrzej Heinrich">Andrzej Heinrich</a> after unsuccessful attempt of first winter assent of Mount Everest on February 15, 1980.
Stanisław Jaworski
<ul><li><cite class="book" style="font-style:normal"><a href="https://en.wikipedia.org/wiki/pl:Zbigniew_Kowalewski" class="extiw" title="w:pl:Zbigniew Kowalewski">Zbigniew Kowalewski</a>; <a href="https://en.wikipedia.org/wiki/pl:Andrzej_Paczkowski" class="extiw" title="w:pl:Andrzej Paczkowski">Andrzej Paczkowski</a> (1986)      <i> Mount Everest - Dzieje zdobycia i Podboju</i>, <a href="https://en.wikipedia.org/wiki/en:Warsaw" class="extiw" title="w:en:Warsaw"><span title="capital and largest city of Poland">Warsaw</span></a>:  Wydawnictwo Sport i Turystyka, pp. 163  <small><a href="//commons.wikimedia.org/wiki/Special:BookSources/83-217-2527-9" title="Special:BookSources/83-217-2527-9">ISBN 83-217-2527-9</a></small></cite></li>
<li><a rel="nofollow" class="external free" href="http://lo-zywiec.pl/~heinrich/foto/fot3.jpg">http://lo-zywiec.pl/~heinrich/foto/fot3.jpg</a></li></ul>