Sokolsky, V.N.  <br/><br/>
K.E. Tsiolkovsky : selected works 

 - Moscow :  Mir,   1968. 
 - 337p.;  23cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mahinda Ranaweera Collection<br/>Other branches of engineering
<br/><br/><label>Dewey Class. No.: </label>629.47  / SOK