Line drawing of the Russian Almaz space station
NASA
1995-03
<p>NASA
</p>
<ul><li><a rel="nofollow" class="external text" href="http://spaceflight.nasa.gov/history/shuttle-mir/references/documents/mirhh-part2.pdf">Mir Hardware Heritage Part 2: Almaz/Salyut/Mir</a>, page 68</li></ul>